Connecting audio focus changes to CarDucking

CarService now initializes CarDucking and registers it as a callback on
CarZonesAudioFocus. This will send CarDucking updates whenever there's a
focus change event.

Bug: 158242859
Test: atest CarZonesAudioFocusTest
Change-Id: I7862069970b1b7c582d0a85273f74e8ad7e9e57d
Merged-In: I7862069970b1b7c582d0a85273f74e8ad7e9e57d
(cherry picked from commit 14a61f57e429e5c51276dded705c6de619539a17)
3 files changed
tree: ba1790a5b96d2fc3888c9c8fea061b687f4aee22
  1. car-admin-ui-lib/
  2. car-bugreportd/
  3. car-internal-lib/
  4. car-lib/
  5. car-maps-placeholder/
  6. car-systemtest-lib/
  7. car-test-lib/
  8. car-usb-handler/
  9. car_product/
  10. cpp/
  11. experimental/
  12. FrameworkPackageStubs/
  13. obd2-lib/
  14. packages/
  15. procfs-inspector/
  16. service/
  17. tests/
  18. tools/
  19. user/
  20. vehicle-hal-support-lib/
  21. .clang-format
  22. .gitignore
  23. Android.mk
  24. CleanSpec.mk
  25. CPPLINT.cfg
  26. OWNERS
  27. PREUPLOAD.cfg
  28. README.md
  29. TEST_MAPPING
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.