Merge "Add new overridable annotation to platform compat" am: 458515e464 am: 899cd8920b

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1540124

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: Ie8c48feb66285ec4153d61eb83ff8967dae28adf