Unify comments between AudioTrack and AudioRecord

Change-Id: I00a1025e2891a1c96218b3c2187eaddda6614ebc
diff --git a/media/libmedia/AudioTrack.cpp b/media/libmedia/AudioTrack.cpp
index 8954d9f..8aa0126 100644
--- a/media/libmedia/AudioTrack.cpp
+++ b/media/libmedia/AudioTrack.cpp
@@ -355,7 +355,7 @@
             mAudioTrackThread->requestExitAndWait();
             mAudioTrackThread.clear();
         }
-        //Use of direct and offloaded output streams is ref counted by audio policy manager.
+        // Use of direct and offloaded output streams is ref counted by audio policy manager.
         // As getOutput was called above and resulted in an output stream to be opened,
         // we need to release it.
         AudioSystem::releaseOutput(output);
@@ -698,6 +698,7 @@
     AutoMutex lock(mLock);
     mNewPosition = mProxy->getPosition() + updatePeriod;
     mUpdatePeriod = updatePeriod;
+
     return NO_ERROR;
 }
 
@@ -1735,7 +1736,7 @@
         }
     }
     if (result != NO_ERROR) {
-        //Use of direct and offloaded output streams is ref counted by audio policy manager.
+        // Use of direct and offloaded output streams is ref counted by audio policy manager.
         // As getOutput was called above and resulted in an output stream to be opened,
         // we need to release it.
         AudioSystem::releaseOutput(output);