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

Merge "Revert "Reland "Enable R8 full mode by default for apps""" into main am: 2631bcd3 am: 32a36aee am: dac49698 am: 2c833ba8

Original change: https://android-review.googlesource.com/c/platform/build/soong/+/2690450



Change-Id: Iba9487dc017c784158fcc7033c5e24f2622eb4e8
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>