libfmq: wait EventFlag before timeout check

Bug: 302036943
Test: atest --test-mapping system/libfmq:presubmit
Test: flash to Pixel and check media playback use cases
Change-Id: I1e0a816203aa71677103c5122ff785b4021d9ea5
2 files changed
tree: 217cb241bbfe6683c9d5208a8d9a444ee3c9aa04
  1. base/
  2. benchmarks/
  3. fuzzer/
  4. include/
  5. tests/
  6. Android.bp
  7. EventFlag.cpp
  8. FmqInternal.cpp
  9. OWNERS
  10. PREUPLOAD.cfg
  11. TEST_MAPPING