- Add a SetPriority method to ThreadWrapper

- Remove 'priority' from CreateThread and related member variables from implementations
- Make supplying a name for threads, non-optional

BUG=
R=magjed@webrtc.org

Review URL: https://webrtc-codereview.appspot.com/44729004

Cr-Commit-Position: refs/heads/master@{#8810}
git-svn-id: http://webrtc.googlecode.com/svn/trunk@8810 4adac7df-926f-26a2-2b94-8c16560cd09d

webrtc/modules/video_render/android/video_render_android_impl.cc

@@ -142,7 +142,6 @@ int32_t VideoRenderAndroid::StartRender() {
   }
 
   _javaRenderThread = ThreadWrapper::CreateThread(JavaRenderThreadFun, this,
-                                                  kRealtimePriority,
                                                   "AndroidRenderThread");
 
   if (_javaRenderThread->Start())
@@ -153,6 +152,7 @@ int32_t VideoRenderAndroid::StartRender() {
                  "%s: Could not start send thread", __FUNCTION__);
     return -1;
   }
+  _javaRenderThread->SetPriority(kRealtimePriority);
   return 0;
 }