Merge "Do not pass the volume key event to remote sessions" into sc-dev am:...

Merge "Do not pass the volume key event to remote sessions" into sc-dev am: f408df63 am: e394f040

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/15373618

Change-Id: I2d3e4b30d0843b942a5837f16096c110baed3792