Bumping gaia.json for 2 gaia revision(s) a=gaia-bump
========
https://hg.mozilla.org/integration/gaia-2_2r/rev/
2cc2c1849942
Author: Gabriele Svelto <gsvelto@mozilla.com>
Desc: Merge pull request #32130 from gabrielesvelto/bug-
1176297-hangup-calls-via-power-button-v2.2r
Bug
1176297 - Uplift to v2.2r
========
https://hg.mozilla.org/integration/gaia-2_2r/rev/
8cfe9ad44e5f
Author: Gabriele Svelto <gsvelto@mozilla.com>
Desc: Merge pull request #31092 from gabrielesvelto/bug-
1176297-hangup-calls-via-power-button
Bug
1176297 - Hang up calls when pressing the power button. r=etienne
(cherry picked from commit
87014859cb97cc8a75c614aadbf2b91d99908296)