Unlock camera AWB lock only when white-balance is changed.
Unlock camera AWB lock only when white-balance is changed.

bug:5633546
Change-Id: I90bb4b5b445daedf38a64e2f8fb980fc0f0aaa81

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