Merge "Ensure outputs correctly declared for proguard config in R8" am: 1f65e0d0

Original change: https://android-review.googlesource.com/c/platform/build/soong/+/2583674



Change-Id: I3052015acb31a9b3f54c57ec89f87c2d3214b799
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>