Simplify ChromeVox rich text options UI

Expose a single checkbox that toggles reporting of all supported
rich text attributes, instead of providing a dropdown for each one.
This helps provide a cleaner experience that doesn't overwhelm the
user with excess options.

Bug: 934038
Change-Id: I3a6c539ddc9571de816658194b9d0a13685c9303
Reviewed-by: David Tseng <>
Commit-Queue: Akihiro Ota <>
Cr-Commit-Position: refs/heads/master@{#653886}
5 files changed