AudioTrack: Allow flush in flush state to clear subsequent written data am: 4c5ed30aeb

am: 8962c5352d

Change-Id: I079a4102555294bcbf265c361161dca5bf0b2633

media/libaudioclient/AudioTrack.cpp

@@ -806,7 +806,7 @@ void AudioTrack::flush()
         return;
     }
     AutoMutex lock(mLock);
-    if (mState == STATE_ACTIVE || mState == STATE_FLUSHED) {
+    if (mState == STATE_ACTIVE) {
         return;
     }
     flush_l();