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This CL adds brightness, contrast, saturation, sharpness, pan and tilt
support.

built-in camera of eve. Test pan and tilt on huddly go camera.
Pass CtsCameraTestCases on eve.

Bug: b:148527288
Test: Test brightness, contrast, saturation and sharpness on the
Change-Id: Id3d277889f0dde482cf8d546b7b226d1c0f0e5f3
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2164347
Commit-Queue: Hsu Wei-Cheng <mojahsu@chromium.org>
Reviewed-by: Shik Chen <shik@chromium.org>
Reviewed-by: Guido Urdaneta <guidou@chromium.org>
Reviewed-by: Wei Lee <wtlee@chromium.org>
Cr-Commit-Position: refs/heads/master@{#771692}