Merge "Add a null check for the result of nullable API." into udc-dev am: 93b38f5b am: d1f2c459 am: 8ec59264

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/23566543



Change-Id: I7b21f72af8512e028c3136909f64f21ff515460d
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>