hooked up the new method up to Surface.cpp the actual crop is not implemented in SF yet Change-Id: Ic6e313c98fd880f127a051a0ccc71808bd689751
also increase the dirtyregion size from 1 to 6 rectangles. Overall we now need 27KiB process instead of 4KiB Change-Id: Iebda5565015158f49d9ca8dbcf55e6ad04855be3