Merge "Satellite demo mode : Simulated sending and receiving" into udc-dev am: c858b2c6 am: bad1d7c3 am: 2543ef76 am: aba8b4e9

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



Change-Id: I88afef6424000b4d579647f44b94c1b77cdcf607
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>