Add using System.Diagnostics on some files

Author: krwq

src/Common/src/CoreLib/System/Diagnostics/Tracing/TraceLogging/ArrayTypeInfo.cs

@@ -5,6 +5,7 @@
 #nullable enable
 using System;
 using System.Collections.Generic;
+using System.Diagnostics;
 
 #if ES_BUILD_STANDALONE
 namespace Microsoft.Diagnostics.Tracing

src/Common/src/CoreLib/System/Diagnostics/Tracing/TraceLogging/DataCollector.cs

@@ -4,6 +4,7 @@
 
 #nullable enable
 using System;
+using System.Diagnostics;
 using System.Resources;
 using System.Runtime.InteropServices;
 using System.Security;

src/Common/src/CoreLib/System/Diagnostics/Tracing/TraceLogging/EnumerableTypeInfo.cs

@@ -6,6 +6,7 @@
 using System;
 using System.Collections;
 using System.Collections.Generic;
+using System.Diagnostics;
 
 #if ES_BUILD_STANDALONE
 namespace Microsoft.Diagnostics.Tracing

src/Common/src/CoreLib/System/Diagnostics/Tracing/TraceLogging/EventSourceActivity.cs

@@ -4,6 +4,7 @@
 
 #nullable enable
 using System;
+using System.Diagnostics;
 
 #if !ES_BUILD_AGAINST_DOTNET_V35
 using Contract = System.Diagnostics.Contracts.Contract;

src/Common/src/CoreLib/System/Diagnostics/Tracing/TraceLogging/FieldMetadata.cs

@@ -4,6 +4,7 @@
 
 #nullable enable
 using System;
+using System.Diagnostics;
 using System.Resources;
 using Encoding = System.Text.Encoding;
 

src/Common/src/CoreLib/System/Diagnostics/Tracing/TraceLogging/SimpleEventTypes.cs

@@ -4,6 +4,7 @@
 
 #nullable enable
 using System;
+using System.Diagnostics;
 using Interlocked = System.Threading.Interlocked;
 
 #if ES_BUILD_STANDALONE

src/Common/src/CoreLib/System/Diagnostics/Tracing/TraceLogging/TraceLoggingEventSource.cs

@@ -21,6 +21,7 @@
 #endif
 
 using System;
+using System.Diagnostics;
 using System.Resources;
 using System.Runtime.InteropServices;
 using System.Security;