Merge "Derive ChooserActivity name from config instead of ChooserActivity class" into udc-qpr-dev am: d5237b8645 am: 8d28150946

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/24342910

Change-Id: I87058584314abaad2f00698363962ae81c9bc8e3
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>