Bumping gaia.json for 2 gaia revision(s) a=gaia-bump

========

https://hg.mozilla.org/integration/gaia-central/rev/dfe15fdc1a34
Author: Marcus Cavanaugh <m@mcav.com>
Desc: Merge pull request #22794 from mcav/alarm-enable

Bug 1048352 - All alarms appear to be enabled when app is opened. r=millermedeiros

========

https://hg.mozilla.org/integration/gaia-central/rev/603173f74e61
Author: Marcus Cavanaugh <m@mcav.com>
Desc: Bug 1048352 - All alarms appear to be enabled when app is opened.
Bumping manifests a=b2g-bump