Merge "libfmq: wait EventFlag before timeout check" into main am: c459e69478

Original change: https://android-review.googlesource.com/c/platform/system/libfmq/+/2933575

Change-Id: Icc473bcf110490ccc520dc5c34b91975d5c92c4f
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>