GitLab

Changes include:
- Stopping interaction on widget close (fixes ESC key bug).
- Stopping interaction on input modality change (if not voice).

Bug: b:79441527
Change-Id: I99e3de5ac8967e79a81bfbe1733da99df52ed03f
Reviewed-on: https://chromium-review.googlesource.com/1052430
Commit-Queue: David Black <dmblack@google.com>
Reviewed-by: Xiaohui Chen <xiaohuic@chromium.org>
Reviewed-by: Xiyuan Xia <xiyuan@chromium.org>
Cr-Commit-Position: refs/heads/master@{#558779}