Add SyncCustomizationFragmentTest.
This change adds a test class for SyncCustomizationFragment.
Common code between this new class and SyncTest has been split
out into SyncTestBase. Everything else in this CL is fixing various
bugs that popped up when I tried to run the test.
BUG=
480604
Committed:
https://crrev.com/f9576067c711e9f5cb12f15a378b89a67e7ed9ec
Cr-Commit-Position: refs/heads/master@{#327510}