Merge "Add extra debug logging" into udc-dev am: 3ed995b3 am: d4adb9b6 am: eeee7013

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/23565424



Change-Id: I139e9e6b2956b788eb8a286fe6844a9a99426f9a
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>