[automerger skipped] Add property api_levels_jar_filename to droidstubs am:...

[automerger skipped] Add property api_levels_jar_filename to droidstubs am: 9ba460fd am: 722c2e85 am: 18bcacb2 -s ours am: 05c93215 -s ours

am skip reason: Change-Id I9e51abaf7d5451d68ca782157d9b739f76c5da82 with SHA-1 9ba460fd is in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/build/soong/+/12319307

Change-Id: Ie973b7144d587b0a93121410f4487767c435b043