Bumping gaia.json for 2 gaia revision(s) a=gaia-bump
========
https://hg.mozilla.org/integration/gaia-2_2/rev/
22b891d9d503
Author: MDTsai <md.tsai@gmail.com>
Desc: Bug
1161140 - Add tosterClicked to show download dialog
Also add unit test for toaster clicked, verify utility tray is
hidden and download dialog is shown
========
https://hg.mozilla.org/integration/gaia-2_2/rev/
ba3c92d95d5d
Author: David Flanagan <dflanagan@mozilla.com>
Desc: Bug
1159092 - get ellipsis on the correct side for lockscreen and notification screen playback controls.
fix the new tests