Merge "Unite collection of metrics across all phases" into udc-dev am: b1707b31

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/21963314



Change-Id: I721f88c4e81924218b02c914dd0d9d6c646e1959
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>