Merge "Add bottom offset to empty state screens for chooser" into rvc-dev am: 3b31c14e am: f03fafc7 am: d9b47e05 am: b5bc3a5c

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/11623666

Change-Id: I1be0fee56f91c0b6ee2128a963bdeeb50816ac01