Bumping gaia.json for 2 gaia revision(s) a=gaia-bump
========
https://hg.mozilla.org/integration/gaia-2_2/rev/
e8405f511bbb
Author: albertopq <albert.pastor@gmail.com>
Desc: Merge pull request #29098 from albertopq/backout-v2.2
Revert "Bug
1145760 - Updating icons visibility on screenchange events"
========
https://hg.mozilla.org/integration/gaia-2_2/rev/
31a3a8d66d3a
Author: albertopq <apastor@mozilla.com>
Desc: Revert "Bug
1145760 - Updating icons visibility on screenchange events"
This reverts commit
ed6e5273aade11835322aebc3a32fffb1069272a.