chromiumos-asset: change boot message background to menu ui style

Change boot message background to dark color, and rename old *.png
to *_light.png for backup.

BUG=b:149889061
TEST=manually copy the files to DUT and run
     - `display_boot_message <message> en`
     - `display_boot_message update_progress 30`

Cq-Depend: chromium:2546329
Change-Id: I41d7d584b900ebad3f11536f40c6f33d6efe6be3
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/chromiumos-assets/+/2546330
Reviewed-by: Hung-Te Lin <hungte@chromium.org>
Reviewed-by: Xiyuan Xia <xiyuan@chromium.org>
Tested-by: Hung-Te Lin <hungte@chromium.org>
Tested-by: Ting Shen <phoenixshen@chromium.org>
Commit-Queue: Ting Shen <phoenixshen@chromium.org>
2 files changed
tree: 392f013369ff984d34823809292fc671098d5b67
  1. images/
  2. images_100_percent/
  3. images_200_percent/
  4. OWNERS
  5. README.md
README.md

Chromium OS Assets

This repository chromiumos-assets contains the unofficial, Chromium OS versions of assets (images, sounds, etc.) that differ between official and unofficial builds. These files are installed by the chromiumos-assets package.

See also the chromeos-assets (internal only) repo which has official resources, and the assets repo which has resources shared between the two builds.