Track subscriber connections and packages in VmsClientManager and add multi-user support

Also:
- Extend VmsClientManager unit tests to exercise new behavior
- Create unit tests for VmsSubscriberService
- Add missing subscriber permission check to VmsSubscriberService.getAvailableLayers()

Bug: 134961547
Test: atest AndroidCarApiTest CarServiceTest CarServiceUnitTest
Test: Manual testing on device
Change-Id: Ie2f7979c86ff2eb892013a3319c0dfc76cbc509a
Merged-In: Ie2f7979c86ff2eb892013a3319c0dfc76cbc509a
11 files changed
tree: f76d5cead1dc630bb27f9dda08c5a2a4f59547ce
  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. obd2-lib/
  13. procfs-inspector/
  14. service/
  15. tests/
  16. tools/
  17. user/
  18. vehicle-hal-support-lib/
  19. .clang-format
  20. .gitignore
  21. Android.mk
  22. CleanSpec.mk
  23. OWNERS
  24. PREUPLOAD.cfg
  25. 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.