Merge "Mark apex-available" into main am: f4d545e3ee am: 1360eee50d

Original change: https://android-review.googlesource.com/c/platform/system/libfmq/+/3168396

Change-Id: I0655be0d3732c4065b7cfbe087836621c99ca084
Signed-off-by: Automerger Merge Worker <[email protected]>