GitLab

A single detector for both multiple and triple tap events on cast, as
part of the effort so that the triple tap for the magnification
gesture and the double tap inside the TouchExplorationController do
not conflict.

Bug: internal b/112634029
Test: manual and unit test

Change-Id: Ifd23bbc40eb9cfd710acce7ca387eaae137c7ba1
Reviewed-on: https://chromium-review.googlesource.com/1178640Reviewed-by: Alex Sakhartchouk <alexst@chromium.org>
Commit-Queue: Ryan Daum <rdaum@chromium.org>
Cr-Commit-Position: refs/heads/master@{#584080}