fix a typo that prevented preserveRects() to work properly
fix a typo that prevented preserveRects() to work properly

this caused drawing artifacts during the screen rotation
animation of SurfaceView.

Change-Id: Idcc996b6ca2e346135dd2264959670c0b086d4cb

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