Merge "Add scheduled job high water mark metric." into udc-dev am: 1588d4ac...

Merge "Add scheduled job high water mark metric." into udc-dev am: 1588d4ac am: 6e644c2c am: 13c82cc3 am: 457fde89

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/23036898



Change-Id: Id809a20509d9d11633eb72381bd5338392e49e94
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>