Merge "check_target_files_vintf: Support flattened apexes" am: eb5f9e2b

Original change: https://android-review.googlesource.com/c/platform/build/+/2257463



Change-Id: I4b99ae384419368d7cd396823fa98474959daed3
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>