Testing that invalid authorities are cleared on boot

This test checks that any invalid data written by calls to
setSyncAutomatically is dropped on reboot.

Test: cts-tradefed run cts-dev -m CtsSyncContentHostTestCases

Bug: 35028827
Change-Id: Ide4fd1461cbbcc6b4e5012f178baf80474e95efa
Merged-In: Ide4fd1461cbbcc6b4e5012f178baf80474e95efa
9 files changed