Merge change 740 into donut

* changes:
  MIDI render thread was nice 0, should be nice -16. Seems like a recent change sets the thread priority to 0. Previously it inherited priority from the parent thread. This change sets the MIDI render thread priority to the default for audio threads. Reference bug 1800905
diff --git a/media/libmediaplayerservice/VorbisPlayer.cpp b/media/libmediaplayerservice/VorbisPlayer.cpp
index 0ad335f..14fd6ce 100644
--- a/media/libmediaplayerservice/VorbisPlayer.cpp
+++ b/media/libmediaplayerservice/VorbisPlayer.cpp
@@ -67,7 +67,7 @@
     LOGV("onFirstRef");
     // create playback thread
     Mutex::Autolock l(mMutex);
-    createThreadEtc(renderThread, this, "vorbis decoder");
+    createThreadEtc(renderThread, this, "vorbis decoder", ANDROID_PRIORITY_AUDIO);
     mCondition.wait(mMutex);
     if (mRenderTid > 0) {
         LOGV("render thread(%d) started", mRenderTid);