Reland: Make ChromeVox Next the default ChromeVox experience
- removes obsolete key configuration code from options; this leaves options as a simple, clean list of documentable settings
- change the tutorial url to point to the Next tutorial
Pending/Optional
- change the update notification to point to a release note (rather than the tutorial)
TBR=dtseng@chromium.org
BUG=
618097
CQ_INCLUDE_TRYBOTS=master.tryserver.chromium.linux:closure_compilation
Committed:
https://crrev.com/d5bbc0a84e55a4e4fe98394cfd265eb7e51ff63a
Cr-Commit-Position: refs/heads/master@{#427243}