AOSP/Gallery2 - Updated to sdkVersion 29. am: 0d99e83c62 am: c1195f0869 am: e4fd59c43d

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Gallery2/+/11258157

Change-Id: I0892788748675185e92d644392b8df997bfd9042