Move NoTouchActivity to touchless package

Move the NoTouchActivity to the newly created touchless sub-package in order to
declutter and tidy up the browser package.

Bug: 922047
Change-Id: Ib7d9df3c89295e9e675b35a05e3613b390fbae5e
Reviewed-on: https://chromium-review.googlesource.com/c/1432473
Reviewed-by: Michael Thiessen <mthiesse@chromium.org>
Reviewed-by: Ted Choc <tedchoc@chromium.org>
Commit-Queue: Mehran Mahmoudi <mahmoudi@google.com>
Cr-Commit-Position: refs/heads/master@{#625487}
6 files changed