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: 9fca17f8 am: 5bd93df3

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



Change-Id: I804d692e0594c21f7780210d152c6450b58c873c
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>