Merge "Write "wait" status to both logcat and stdout." into udc-dev am: 58e07cf5

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/22388250



Change-Id: I0b6865045aeb3e1476368cc155e0d90249d926ba
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>