Merge "SF: Set dirty region bit if transparent region hint changes" into sc-dev am: 5b20104681 am: 48f65b791d

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/native/+/15240432

Change-Id: Ifc649ee54fa5761f18f0b73ac92ceab0ee1ab96a