Fix issue 5131056: key beeps when screen is locked
Fix issue 5131056: key beeps when screen is locked

Clear AudioManager.FLAG_PLAY_SOUND in AudioService adjustSuggestedStreamVolume()
if keyguard is locked.

Change-Id: I2effb9cab8d946845e948b28899b17d7f24c1282

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