Merge "Revert "Remove app cloning feature flags"" into udc-dev am: 0d7e838e...

Merge "Revert "Remove app cloning feature flags"" into udc-dev am: 0d7e838e am: d129a44e am: d8ce91c2

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/23353191



Change-Id: I7295e1e62b5fbf44f374adf89474d09f3a95a841
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>