CTS Verifier: Camera Video test with different resolutions.

-- This test shows preview in left window and playback in right window.
-- Push "Test" button to record for 3 seconds, and wait for playback.
-- Use the spinners to choose all combinations.

Bug: 9222143
Change-Id: Ibf931a4201d221ee70c9b4fd0e9654590b2cb5f0