GitLab

-Put nodoc on experimental.apps.{notify,clearAllNotifications} since those
aren't available in new packaged apps and we'll probably be doing some changes
to them before we'd move them to supported anyway.

-Remove nodoc from experimental.apps.onLaunched

BUG=138754
TEST=none

Review URL: https://chromiumcodereview.appspot.com/10810074

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@148848 0039d316-1c4b-4281-b951-d872f2087c98