Merge "Kick off health checks with lock held." into udc-dev am: 52cef828 am: 0f4ed93e

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/22139841



Change-Id: I01f0c5497f2f47cb6a31c955536e7da055c7e638
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>