Snap the clip rectangle to pixel boundaries.
Snap the clip rectangle to pixel boundaries.

Change-Id: Iac2765303552f385995fe46e219af456e0501da7

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