Merge changes from topic "connectivitymanager-blockedreason-shim"

* changes:
  Fix CtsNetTestCasesLatestSdk in AOSP.
  Use the non-API static UserHandle.getUid method in tests.
  Import ConnectivityManager.BLOCKED_REASON_* from ConstantsShim.
tree: 18763c625af0d298453b343424292364efc5ae3c
  1. tests/
  2. Tethering/
  3. .gitignore
  4. OWNERS
  5. PREUPLOAD.cfg
  6. TEST_MAPPING