In PeerConnectionTestWrapper, put audio input on a separate thread.

talk/app/webrtc/peerconnectionendtoend_unittest.cc

 /*
  * libjingle
  * Copyright 2013 Google Inc.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are met:
  *
  *  1. Redistributions of source code must retain the above copyright notice,
  *     this list of conditions and the following disclaimer.
  *  2. Redistributions in binary form must reproduce the above copyright notice,
@@ skipping 250 matching lines @@
                    kMaxWait);
   }
 
  protected:
   rtc::scoped_refptr<PeerConnectionTestWrapper> caller_;
   rtc::scoped_refptr<PeerConnectionTestWrapper> callee_;
   DataChannelList caller_signaled_data_channels_;
   DataChannelList callee_signaled_data_channels_;
 };
 
-// Disable for TSan v2, see
-// https://code.google.com/p/webrtc/issues/detail?id=1205 for details.
-#if !defined(THREAD_SANITIZER)
-
 // Flaky on Windows. Disabled per issue 4464.
 #ifdef WEBRTC_WIN
 #define MAYBE_Call DISABLED_Call
 #else
 #define MAYBE_Call Call
 #endif
 TEST_F(PeerConnectionEndToEndTest, MAYBE_Call) {
   CreatePcs();
   GetAndAddUserMedia();
   Negotiate();
@@ skipping 135 matching lines @@
 
   caller_dc_1->Send(webrtc::DataBuffer(message_1));
   EXPECT_EQ_WAIT(message_1, dc_1_observer->last_message(), kMaxWait);
 
   caller_dc_2->Send(webrtc::DataBuffer(message_2));
   EXPECT_EQ_WAIT(message_2, dc_2_observer->last_message(), kMaxWait);
 
   EXPECT_EQ(1U, dc_1_observer->received_message_count());
   EXPECT_EQ(1U, dc_2_observer->received_message_count());
 }
-#endif // if !defined(THREAD_SANITIZER)