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Add symbol exported from chrome_util.js into cca namespace and transform it
into ES6 module.

Bug: 141518780
Test: Pass closure compiler check, tast run <DUT> 'camera.CCAUI*' and
validate all function of CCA on HALv1/v3 device works correctly.

Change-Id: Ie9fcea3e7ecc04f7b5bc844f8a786d5b1c4b3c4f
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1977895
Commit-Queue: Kuo Jen Wei <inker@chromium.org>
Reviewed-by: Shik Chen <shik@chromium.org>
Auto-Submit: Kuo Jen Wei <inker@chromium.org>
Cr-Commit-Position: refs/heads/master@{#727359}