Merge "Add logs to aid slow notification measuring investigation" into tm-qpr-dev am: db45ef8514 am: f826fd57a9

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/20438505

Change-Id: Iacba99dc7d073605575fa35e72800039ad09d737
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>