[automerger skipped] Revert "Revert "Move java_api_library modules to f/b/api/StubLib..." am: 21f8b0e941 -s ours

am skip reason: Merged-In I479ec3b1554dcc6630207c5f095c6f9d211b035b with SHA-1 fdebc334ee is already in history

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/2715258

Change-Id: Ia095b679205037eca33f772f0608ba238a603ba6
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>