am 6db5b55f: Merge changes I3f0e01b0,I946cbc78,I9d3ad801 into ics-factoryrom

* commit '6db5b55f7c9242ff0d780351192c317d4c1d4768':
  fix transition from full overlays to fb
  rename mInvalidRegion to mSwapRegion
  improve hwc dumpsys