Fixes for source build issues

Author: SteveSandersonMS

eng/SourceBuildPrebuiltBaseline.xml

@@ -28,9 +28,13 @@
     <UsagePattern IdentityGlob="Microsoft.CodeAnalysis.CSharp/*3.3.1*" />
     <UsagePattern IdentityGlob="Microsoft.CodeAnalysis.CSharp.Workspaces/*3.3.1*" />
     <UsagePattern IdentityGlob="Microsoft.CodeAnalysis.Workspaces.Common/*3.3.1*" />
+    <UsagePattern IdentityGlob="System.Buffers/*4.4.0*" />
+    <UsagePattern IdentityGlob="System.Collections.Immutable/*1.5.0*" />
     <UsagePattern IdentityGlob="System.Composition/1.0.*" />
     <UsagePattern IdentityGlob="System.Composition/*7.0.0*" />
     <UsagePattern IdentityGlob="System.IO.Pipelines/8.0.*" />
+    <UsagePattern IdentityGlob="System.Memory/*4.5.3*" />
+    <UsagePattern IdentityGlob="System.Reflection.Metadata/*1.6.0*" />
     <UsagePattern IdentityGlob="System.Threading.Tasks.Extensions/*4.5.3*" />
 
     <!-- These are coming in via runtime but the source-build infra isn't able to automatically pick up the right intermediate. -->

eng/Version.Details.xml

@@ -295,6 +295,14 @@
       <Uri>https://github.com/dotnet/runtime</Uri>
       <Sha>57ed25449ab954595130997679807a471ef85aef</Sha>
     </Dependency>
+    <Dependency Name="System.Buffers" Version="10.0.0-preview.3.25121.11">
+      <Uri>https://github.com/dotnet/runtime</Uri>
+      <Sha>57ed25449ab954595130997679807a471ef85aef</Sha>
+    </Dependency>
+    <Dependency Name="System.Memory" Version="10.0.0-preview.3.25121.11">
+      <Uri>https://github.com/dotnet/runtime</Uri>
+      <Sha>57ed25449ab954595130997679807a471ef85aef</Sha>
+    </Dependency>
     <Dependency Name="System.Collections.Immutable" Version="10.0.0-preview.3.25121.11">
       <Uri>https://github.com/dotnet/runtime</Uri>
       <Sha>57ed25449ab954595130997679807a471ef85aef</Sha>

eng/Versions.props

@@ -138,6 +138,8 @@
     <MicrosoftBclAsyncInterfacesVersion>10.0.0-preview.3.25121.11</MicrosoftBclAsyncInterfacesVersion>
     <!-- Transitive package to provide coherency in dotnet/extensions -->
     <MicrosoftBclTimeProviderVersion>10.0.0-preview.3.25121.11</MicrosoftBclTimeProviderVersion>
+    <SystemBuffersVersion>10.0.0-preview.3.25121.11</SystemBuffersVersion>
+    <SystemMemoryVersion>10.0.0-preview.3.25121.11</SystemMemoryVersion>
     <SystemCollectionsImmutableVersion>10.0.0-preview.3.25121.11</SystemCollectionsImmutableVersion>
     <SystemDiagnosticsPerformanceCounterVersion>10.0.0-preview.3.25121.11</SystemDiagnosticsPerformanceCounterVersion>
     <SystemIOHashingVersion>10.0.0-preview.3.25121.11</SystemIOHashingVersion>