Merge "Refactor backported_fixes rules to share with cts" into main am: 8cccc28c

Original change: https://android-review.googlesource.com/c/platform/build/+/3411017



Change-Id: Ied95792cef7ffc1bf32f154303488ffb71d9caf2
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>