Use Mockito 4.6.1 API am: df8f508f34 am: 06f7f5e32c

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/TV/+/20917421

Change-Id: I15136a37bf588cd57a8fb43ddf4bb910e3c48881
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>