updating the pma endpoint api

Author: Vinothini Dharmaraj

sdk/communication/Azure.Communication.CallAutomation/api/Azure.Communication.CallAutomation.netstandard2.0.cs

@@ -90,6 +90,8 @@ protected CallAutomationClient() { }
         public CallAutomationClient(string connectionString) { }
         public CallAutomationClient(string connectionString, Azure.Communication.CallAutomation.CallAutomationClientOptions options) { }
         public CallAutomationClient(System.Uri endpoint, Azure.Core.TokenCredential credential, Azure.Communication.CallAutomation.CallAutomationClientOptions options = null) { }
+        public CallAutomationClient(System.Uri pmaEndpoint, string connectionString, Azure.Communication.CallAutomation.CallAutomationClientOptions options = null) { }
+        public CallAutomationClient(System.Uri pmaEndpoint, System.Uri acsEndpoint, Azure.Core.TokenCredential credential, Azure.Communication.CallAutomation.CallAutomationClientOptions options = null) { }
         public Azure.Communication.CommunicationUserIdentifier Source { get { throw null; } }
         public virtual Azure.Response<Azure.Communication.CallAutomation.AnswerCallResult> AnswerCall(Azure.Communication.CallAutomation.AnswerCallOptions options, System.Threading.CancellationToken cancellationToken = default(System.Threading.CancellationToken)) { throw null; }
         public virtual Azure.Response<Azure.Communication.CallAutomation.AnswerCallResult> AnswerCall(string incomingCallContext, System.Uri callbackUri, System.Threading.CancellationToken cancellationToken = default(System.Threading.CancellationToken)) { throw null; }