[automerger skipped] Replace BitmapRegionDecoder with ImageDecoder am: 837917a6a3 -s ours

am skip reason: Merged-In I59cf3c21edce836ffbe9f24a08b3a8e077c5fcf3 with SHA-1 0699193115 is already in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/17128491

Change-Id: I0e102afa84389388e683c33e8d76759d0f875823