Merge "BiometricScheduler: fix the NPE problem in startWatchdog method." into main am: eaba7be200

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/3350406

Change-Id: I7ab6b42dca13a2ec394d74a8e8d9ae36dc773c4e
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>