camera3_test: test ChromeOS required resolution

Validate ChromeOS required resolution 1280x960 and 1600x1200 are
supported for each required format.

BUG=b/32689987
TEST='emerge-kevin arc-camera3-test'
     'arc_camera3_test
          --gtest_filter=Camera3ModuleFixture.ChromiumOSRequiredResolution*'

Change-Id: I3f91e9586a2885b78950a9c889297123bc790339
Reviewed-on: https://chromium-review.googlesource.com/503967
Commit-Ready: Hung-yu Wu <hywu@chromium.org>
Tested-by: Hung-yu Wu <hywu@chromium.org>
Reviewed-by: Ricky Liang <jcliang@chromium.org>