Make libfmq buildable for native_bridge am: 6c32823073

Original change: https://googleplex-android-review.googlesource.com/c/platform/system/libfmq/+/12128192

Change-Id: I5ce542b45eec1d22bc595ac0e8a6ec506509d653
tree: a92b48b2833b73e187afc379208e281a984b2f78
  1. benchmarks/
  2. include/
  3. tests/
  4. Android.bp
  5. EventFlag.cpp
  6. FmqInternal.cpp
  7. OWNERS
  8. PREUPLOAD.cfg