Merge "Add TimeZoneProviderStatus' nullness check." into main am: 1cfea912a5

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/3182222

Change-Id: Ia5b608aa095b426445afd33d54ec538e5e83ec87
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>