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

========

https://hg.mozilla.org/integration/gaia-central/rev/407ca0cf5960
Author: punamdahiya <punamdahiya@yahoo.com>
Desc: Merge pull request #22161 from ranjithgithub/1039988_ShareButtonNotWorking

Bug-1039988 - [Gallery] Fix of share button in fullscreen mode for images that needs EXIF to display correctly r=pdahiya

========

https://hg.mozilla.org/integration/gaia-central/rev/6c0110252eed
Author: ranjith.gutha <ranjith.gutha@lge.com>
Desc: Bug-1039988 Fixing Javascript error while pressing share button in full screen mode
Bumping manifests a=b2g-bump