Merge "Polish home-key from split to pip transition" into udc-dev am:...

Merge "Polish home-key from split to pip transition" into udc-dev am: c7a500cc am: aeb6f3b6 am: 3e17434e am: 378d34bc

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/23833763



Change-Id: I5030978f5157e8b9e7ba734fcff5df5bf3e46c7d
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>