[Android] Remove unused RWHVA touch handler notification

The RenderWidgetHostViewAndroid::HasTouchEventHandlers notification is no longer
used, remove accordingly.

Review URL: https://codereview.chromium.org/153953003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@248900 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 248900
cros: Allow timezone change for non guest users.

None guest users include authenticated users (regular user, owner), kiosk
users and login screen where there is no user.

BUG=340843

Review URL: https://codereview.chromium.org/154863003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@248901 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 248901