Merge "Remove @Nullable annotation for onConfigurationChanged." into tm-qpr-dev am: 05fafde8c8 am: 2c450d9930

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/20545848

Change-Id: I2187596fed6de7827bed75b663071245e5a86c6e
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>