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

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



Change-Id: Icb2b691c0f924e7edb5c88eeecec87097a6b23e0
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>