Synchronize channel masks in AudioFormat with system/audio.h
Synchronize channel masks in AudioFormat with system/audio.h

AudioFormat channel mask comments

Change-Id: I8b43cb58cd9d3a33bf02aa0455bbfc16ed29f9ae

xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base