GitLab

Fixed a11y for remove suggestion button and buttons in dedicated row
(set role to be list box option and set correct accessible name).
Fixed selection event not being triggered for dedicated row buttons
(GetSecondaryButton wasn't returning buttons from dedicated row).
Fixed value changed event triggering extra time when switching selection
from button to button.

Bug: 1104264
Change-Id: If5fc4692ac4e86f50e1a1d1b754feec795b76c10
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2366758
Commit-Queue: Olesia Marukhno <olesiamarukhno@google.com>
Reviewed-by: Tommy Li <tommycli@chromium.org>
Cr-Commit-Position: refs/heads/master@{#800300}