Merge "Log initial dock state of device on boot" into udc-dev am: be150360

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/22863477



Change-Id: Ie0d075a1113b86f34cebdd0c0b8516ce80a6d1f8
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>