Merge "Satellite demo mode : Simulated sending and receiving" into udc-dev am: c858b2c6 am: f6c80579 am: 073c3da4 am: 2d2b562c

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/22845479



Change-Id: I6555a653f78e29e8c91f449126013139f4df1755
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>