Merge "Reland "Enable R8 full mode by default for apps"" into main am:...

Merge "Reland "Enable R8 full mode by default for apps"" into main am: cfe9e6d0 am: 413d7a88 am: 7b1b04b1

Original change: https://android-review.googlesource.com/c/platform/build/soong/+/2681381



Change-Id: Ife22e9792f27e2dcf1919fc47a4c5e3b17a3b961
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>