Add better connectivity publisher tests

This CL adds FakeNetworkStatsService that simulates
INetworkStatsService. It allows testing the publisher
thorougly - transports and oemManaged params,
start/end timestamps and fetching netstats
for the period of time.

Bug: 197905656
Bug: 207175350
Test: atest CarServiceUnitTest:ConnectivityPublisherTest
Change-Id: I32233a7241525f9395325fb45363146e416a1a80
Merged-In: I32233a7241525f9395325fb45363146e416a1a80
(cherry picked from commit 0ba7c6d30e88f617bb62322ea714b1811cb428dd)
2 files changed
tree: 5c3a62146098d12cce9f3b3cbe48971be53290e8
  1. car-admin-ui-lib/
  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. data/
  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.