Merge "transitive r8 flags for installable {android,java}_libraries" into main...

Merge "transitive r8 flags for installable {android,java}_libraries" into main am: d9569528 am: 0b74fbb6 am: 727dc7ce

Original change: https://android-review.googlesource.com/c/platform/build/soong/+/2812555



Change-Id: I3a029e51decdbcc76959cc056c5c2c69cbfe77d7
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>