Merge "Handle back shortcuts in native and remove home shortcut handling" into...

Merge "Handle back shortcuts in native and remove home shortcut handling" into udc-dev am: 054486ae

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/native/+/21548190



Change-Id: I8d371bf5d930f241e4c76bac9da13c08b1bf34c1
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>