[DO NOT MERGE] Fix biometric test flaky am: 2f180de6aa am: eb2c908aa4 am: bf306271de

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/25723290

Change-Id: I91c0ba63eb27543df40386269d93d69f73226211
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>