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 am: 0be27e28

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



Change-Id: Ibaab2faf58ab23b18fbb31685937e19561ea04db
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>