Port System.Runtime.CompilerServices new docs (#10153)

* System.Runtime.CompilerServices
---------
Co-authored-by: Genevieve Warren <[email protected]>

Author: carlossanlop

xml/System.Runtime.CompilerServices/CallConvSwift.xml

@@ -14,7 +14,7 @@
   </Base>
   <Interfaces />
   <Docs>
-    <summary>To be added.</summary>
+    <summary>Indicates that a method should using the <see href="https://github.com/apple/swift/blob/main/docs/ABIStabilityManifesto.md#calling-convention">Swift</see> calling convention.</summary>
     <remarks>To be added.</remarks>
   </Docs>
   <Members>
@@ -31,7 +31,7 @@
       </AssemblyInfo>
       <Parameters />
       <Docs>
-        <summary>To be added.</summary>
+        <summary>Initializes a new instance of the <see cref="T:System.Runtime.CompilerServices.CallConvSwift" /> class.</summary>
         <remarks>To be added.</remarks>
       </Docs>
     </Member>

xml/System.Runtime.CompilerServices/ConfiguredTaskAwaitable+ConfiguredTaskAwaiter.xml

@@ -134,6 +134,7 @@
         <exception cref="T:System.NullReferenceException">The awaiter was not properly initialized.</exception>
         <exception cref="T:System.OperationCanceledException">The task was canceled.</exception>
         <exception cref="T:System.Exception">The task completed in a faulted state.</exception>
+        <exception cref="T:System.Threading.Tasks.TaskCanceledException">The task was canceled.</exception>
       </Docs>
     </Member>
     <Member MemberName="IsCompleted">

xml/System.Runtime.CompilerServices/ConfiguredTaskAwaitable`1+ConfiguredTaskAwaiter.xml

@@ -149,6 +149,7 @@
         <exception cref="T:System.NullReferenceException">The awaiter was not properly initialized.</exception>
         <exception cref="T:System.OperationCanceledException">The task was canceled.</exception>
         <exception cref="T:System.Exception">The task completed in a faulted state.</exception>
+        <exception cref="T:System.Threading.Tasks.TaskCanceledException">The task was canceled.</exception>
       </Docs>
     </Member>
     <Member MemberName="IsCompleted">

xml/System.Runtime.CompilerServices/OverloadResolutionPriorityAttribute.xml

@@ -20,7 +20,7 @@
     </Attribute>
   </Attributes>
   <Docs>
-    <summary>To be added.</summary>
+    <summary>Specifies the priority of a member in overload resolution. When unspecified, the default priority is 0.</summary>
     <remarks>To be added.</remarks>
   </Docs>
   <Members>
@@ -40,8 +40,8 @@
         <Parameter Name="priority" Type="System.Int32" />
       </Parameters>
       <Docs>
-        <param name="priority">To be added.</param>
-        <summary>To be added.</summary>
+        <param name="priority">The priority of the attributed member. Higher numbers are prioritized, lower numbers are deprioritized. 0 is the default if no attribute is present.</param>
+        <summary>Initializes a new instance of the <see cref="T:System.Runtime.CompilerServices.OverloadResolutionPriorityAttribute" /> class.</summary>
         <remarks>To be added.</remarks>
       </Docs>
     </Member>
@@ -61,7 +61,7 @@
         <ReturnType>System.Int32</ReturnType>
       </ReturnValue>
       <Docs>
-        <summary>To be added.</summary>
+        <summary>The priority of the member.</summary>
         <value>To be added.</value>
         <remarks>To be added.</remarks>
       </Docs>

xml/System.Runtime.CompilerServices/ParamCollectionAttribute.xml

@@ -20,7 +20,7 @@
     </Attribute>
   </Attributes>
   <Docs>
-    <summary>To be added.</summary>
+    <summary>Indicates that a method allows a variable number of arguments in its invocation.</summary>
     <remarks>To be added.</remarks>
   </Docs>
   <Members>

xml/System.Runtime.CompilerServices/RuntimeFeature.xml

@@ -97,7 +97,7 @@
         <ReturnType>System.String</ReturnType>
       </ReturnValue>
       <Docs>
-        <summary>To be added.</summary>
+        <summary>Represents a runtime feature where byref-like types can be used in generic parameters.</summary>
         <remarks>To be added.</remarks>
       </Docs>
     </Member>

xml/System.Runtime.CompilerServices/RuntimeHelpers.xml

@@ -147,11 +147,14 @@
         <Parameter Name="type" Type="System.RuntimeTypeHandle" Index="1" FrameworkAlternate="net-9.0" />
       </Parameters>
       <Docs>
-        <param name="target">To be added.</param>
-        <param name="type">To be added.</param>
-        <summary>To be added.</summary>
-        <returns>To be added.</returns>
+        <param name="target">The target data.</param>
+        <param name="type">The type of box to create.</param>
+        <summary>Creates a boxed object of the specified type from the data located at the target reference.</summary>
+        <returns>A boxed object containing the specified data.</returns>
         <remarks>To be added.</remarks>
+        <exception cref="T:System.ArgumentNullException">The specified type handle is <see langword="null" />.</exception>
+        <exception cref="T:System.ArgumentException">The specified type cannot have a boxed instance of itself created.</exception>
+        <exception cref="T:System.NotSupportedException">The passed in type is a byref-like type.</exception>
       </Docs>
     </Member>
     <Member MemberName="CreateSpan&lt;T&gt;">
@@ -1431,10 +1434,11 @@ This method is intended for compiler use rather than use directly in code. `T` m
         <Parameter Name="type" Type="System.RuntimeTypeHandle" Index="0" FrameworkAlternate="net-9.0" />
       </Parameters>
       <Docs>
-        <param name="type">To be added.</param>
-        <summary>To be added.</summary>
-        <returns>To be added.</returns>
-        <remarks>To be added.</remarks>
+        <param name="type">The type to get the size of.</param>
+        <summary>Gets the size of an object of the given type.</summary>
+        <returns>The size of instances of the type.</returns>
+        <remarks>This API returns the same value as <see cref="M:System.Runtime.CompilerServices.Unsafe.SizeOf``1" /> for the type that <paramref name="type" /> represents.</remarks>
+        <exception cref="T:System.ArgumentException">The passed-in type is not a valid type to get the size of.</exception>
       </Docs>
     </Member>
     <Member MemberName="TryEnsureSufficientExecutionStack">

xml/System.Runtime.CompilerServices/TaskAwaiter.xml

@@ -128,6 +128,7 @@ This type is intended for compiler use only.
         <exception cref="T:System.NullReferenceException">The <see cref="T:System.Runtime.CompilerServices.TaskAwaiter" /> object was not properly initialized.</exception>
         <exception cref="T:System.OperationCanceledException">The task was canceled.</exception>
         <exception cref="T:System.Exception">The task completed in a <see cref="F:System.Threading.Tasks.TaskStatus.Faulted" /> state.</exception>
+        <exception cref="T:System.Threading.Tasks.TaskCanceledException">The task was canceled.</exception>
       </Docs>
     </Member>
     <Member MemberName="IsCompleted">

xml/System.Runtime.CompilerServices/TaskAwaiter`1.xml

@@ -144,6 +144,7 @@ This type is intended for compiler use only.
         <exception cref="T:System.NullReferenceException">The <see cref="T:System.Runtime.CompilerServices.TaskAwaiter`1" /> object was not properly initialized.</exception>
         <exception cref="T:System.OperationCanceledException">The task was canceled.</exception>
         <exception cref="T:System.Exception">The task completed in a <see cref="F:System.Threading.Tasks.TaskStatus.Faulted" /> state.</exception>
+        <exception cref="T:System.Threading.Tasks.TaskCanceledException">The task was canceled.</exception>
       </Docs>
     </Member>
     <Member MemberName="IsCompleted">