Update ILLink analysis warning tests to accommodate new warnings

Author: Jason Zhai

test/Microsoft.NET.Publish.Tests/GivenThatWeWantToRunILLink.cs

@@ -890,7 +890,9 @@ public void ILLink_verify_analysis_warnings_framework_assemblies(string targetFr
             {
                 expectedWarnings.AddRange(new string[] {
                     "ILLink : Trim analysis warning IL2026: System.ComponentModel.TypeDescriptor.NodeFor(Object, Boolean): Using member 'System.ComponentModel.TypeDescriptor.ComObjectType.get' which has 'RequiresUnreferencedCodeAttribute' can break functionality when trimming application code. COM type descriptors are not trim-compatible.",
-                    "ILLink : Trim analysis warning IL2026: System.ComponentModel.TypeDescriptor.NodeFor(Object, Boolean): Using member 'System.ComponentModel.TypeDescriptor.ComObjectType.get' which has 'RequiresUnreferencedCodeAttribute' can break functionality when trimming application code. COM type descriptors are not trim-compatible."
+                    "ILLink : Trim analysis warning IL2026: System.ComponentModel.TypeDescriptor.NodeFor(Object, Boolean): Using member 'System.ComponentModel.TypeDescriptor.ComObjectType.get' which has 'RequiresUnreferencedCodeAttribute' can break functionality when trimming application code. COM type descriptors are not trim-compatible.",
+                    "ILLink : Trim analysis warning IL2026: System.ComponentModel.AmbientValueAttribute.AmbientValueAttribute(Type, String): Using member 'System.ComponentModel.AmbientValueAttribute.<.ctor>g__TypeDescriptorGetConverter|1_0(Type)' which has 'RequiresUnreferencedCodeAttribute' can break functionality when trimming application code. AmbientValueAttribute usage of TypeConverter is not compatible with trimming.",
+                    "ILLink : Trim analysis warning IL2026: System.ComponentModel.DefaultValueAttribute.DefaultValueAttribute(Type, String): Using member 'System.ComponentModel.DefaultValueAttribute.<.ctor>g__TryConvertFromInvariantString|4_0(Type, String, Object&)' which has 'RequiresUnreferencedCodeAttribute' can break functionality when trimming application code. DefaultValueAttribute usage of TypeConverter is not compatible with trimming."
                 });
             }