Code changes to merge master and hook exception stack optimization through client options.

Author: kundadebdatta

Microsoft.Azure.Cosmos/src/Routing/AsyncCacheNonBlocking.cs

@@ -28,8 +28,6 @@ internal sealed class AsyncCacheNonBlocking<TKey, TValue> : IDisposable
         private readonly IEqualityComparer<TKey> keyEqualityComparer;
         private bool isDisposed;
 
-        private static readonly bool isStackTraceOptimizationEnabled = false;
-
         public AsyncCacheNonBlocking(
             Func<Exception, bool> removeFromCacheOnBackgroundRefreshException = null,
             IEqualityComparer<TKey> keyEqualityComparer = null,
@@ -123,7 +121,7 @@ public async Task<TValue> GetAsync(
                             e);
                     }
 
-                    if (isStackTraceOptimizationEnabled)
+                    if (this.enableAsyncCacheExceptionNoSharing)
                     {
                         // Creates a shallow copy of specific exception types to prevent stack trace proliferation 
                         // and rethrows them, doesn't process other exceptions.