Merge "Set sourceRectHint null if too small" into udc-dev am: a1bb7e3c am: 351f9258 am: d9d4fc0a

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/23051098



Change-Id: Ie31238c214efd473cb8eb34454686d701c1adb23
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>