Merge "Add context sync adb commands" into udc-dev am: 0ee96789 am:...

Merge "Add context sync adb commands" into udc-dev am: 0ee96789 am: 172c7703 am: c70335ce am: 573b3126

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/22959088



Change-Id: I21bbc845e907e213e2f55d93d17c8f21ccdafc9f
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>