Change base-select icon from background-image to svg elements (#46152)
Putting the svg in a data url for background-image was not as
customizable in CSS for developers, but using an actual svg element is:
openui/open-ui#881
Bug: 40146374
Fixed: 337904202
Change-Id: If1528b3df97e31de5b86b27a6aa935223ff0f0a4
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/5522663
Reviewed-by: David Baron dbaron@chromium.org
Commit-Queue: Joey Arhar jarhar@chromium.org
Cr-Commit-Position: refs/heads/main@{#1300224}
Co-authored-by: Joey Arhar jarhar@chromium.org