Merge "Remove @Nullable annotation for onConfigurationChanged." into tm-qpr-dev am: 05fafde8

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



Change-Id: I578898435506ecf5ed3ca351ec6f9a0932f2b5fe
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>