Read vendor power policy in CarService

- PolicyReader reads /vendor/etc/power_policy.xml.
- If the file doesn't exist, PolicyReader starts with the default
configuration.
- Unit test will come in the following CL.

Bug: 170158130
Test: build okay
Change-Id: I601f3d6e28ab94091171da5afa7477505b576e4b
3 files changed
tree: 3fb14b6ee4b6277ced591efdcf2ea191755b15a1
  1. car-bugreportd/
  2. car-internal-lib/
  3. car-lib/
  4. car-maps-placeholder/
  5. car-systemtest-lib/
  6. car-test-lib/
  7. car-usb-handler/
  8. car_product/
  9. cpp/
  10. evs/
  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.