[automerger skipped] Add apex_set module. am: 9c49b285f2 am: 60ff397cc8 -s ours

am skip reason: Change-Id I1da8bbcf1611b7c580a0cb225856cbd7029cc0a7 with SHA-1 8cf307e754 is in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/build/soong/+/11721758

Change-Id: I70bff9201c2a1caf166e912ca4021c4bcd6ebfa8