Merge "Add a latency metric collector for AdServices measurement runs." into udc-mainline-prod am: 31c24d1bd0

Original change: https://googleplex-android-review.googlesource.com/c/platform/platform_testing/+/24067944

Change-Id: I6d3faa40248d988aa7edd90a83ee93515a6b649e
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>