Added Focus Event Logging to CarAudioFocus

Added event logging to CarAudioFocus to maintain a list of the last few
focus events.

Bug: 139097051
Test: Build and ran dumpsys on car_services.
Change-Id: I04675b68c91f9f7ca5f44534fe038c8b8b63ceca
3 files changed
tree: 6c86d9c87249610489e0d3c604dae3654edd5974
  1. car-bugreportd/
  2. car-default-input-service/
  3. car-lib/
  4. car-maps-placeholder/
  5. car-systemtest-lib/
  6. car-test-lib/
  7. car-usb-handler/
  8. car_product/
  9. EncryptionRunner/
  10. evs/
  11. FrameworkPackageStubs/
  12. media-router/
  13. obd2-lib/
  14. procfs-inspector/
  15. service/
  16. tests/
  17. tools/
  18. user/
  19. vehicle-hal-support-lib/
  20. .clang-format
  21. .gitignore
  22. Android.mk
  23. CleanSpec.mk
  24. OWNERS
  25. PREUPLOAD.cfg
  26. README.md
README.md

Native (C++) code format is required to be compatible with .clang-format file. Run

git clang-format --style=file --extension='h,cpp,cc' HEAD~

Note that clang-format is not desirable for Android java files. Therefore the command line above is limited to specific extensions.