Add ObsoleteAttribute and EditorBrowsable(Never) to DynamicDependency.Condition

src/libraries/System.Private.CoreLib/src/System/Diagnostics/CodeAnalysis/DynamicDependencyAttribute.cs

@@ -128,8 +128,10 @@ public DynamicDependencyAttribute(DynamicallyAccessedMemberTypes memberTypes, st
         public string? AssemblyName { get; }
 
         /// <summary>
-        /// Gets or sets the condition in which the dependency is applicable, e.g. "DEBUG".
+        /// Gets or sets the condition in which the dependency is applicable.
         /// </summary>
+        [System.Obsolete("This property is no longer supported.")]
+        [System.ComponentModel.EditorBrowsable(System.ComponentModel.EditorBrowsableState.Never)]
         public string? Condition { get; set; }
     }
 }

src/libraries/System.Runtime/ref/System.Runtime.cs

@@ -8856,6 +8856,8 @@ public DynamicDependencyAttribute(string memberSignature) { }
         public DynamicDependencyAttribute(string memberSignature, string typeName, string assemblyName) { }
         public DynamicDependencyAttribute(string memberSignature, System.Type type) { }
         public string? AssemblyName { get { throw null; } }
+        [System.Obsolete("This property is no longer supported.")]
+        [System.ComponentModel.EditorBrowsable(System.ComponentModel.EditorBrowsableState.Never)]
         public string? Condition { get { throw null; } set { } }
         public string? MemberSignature { get { throw null; } }
         public System.Diagnostics.CodeAnalysis.DynamicallyAccessedMemberTypes MemberTypes { get { throw null; } }

src/libraries/System.Runtime/tests/System.Runtime.Tests/System/Diagnostics/CodeAnalysis/DynamicDependencyAttributeTests.cs

@@ -3,6 +3,8 @@
 
 using Xunit;
 
+#pragma warning disable CS0618
+
 namespace System.Diagnostics.CodeAnalysis.Tests
 {
     public class DynamicDependencyAttributeTests
@@ -101,3 +103,4 @@ public void TestCondition()
         }
     }
 }
+#pragma warning restore CS0618