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

========

https://hg.mozilla.org/integration/gaia-central/rev/9d270e161996
Author: Justin D'Arcangelo <justindarc@gmail.com>
Desc: Merge pull request #20981 from justindarc/bug1030153

Bug 1030153 - [Camera] Some Options menu icons missing

========

https://hg.mozilla.org/integration/gaia-central/rev/96a2debbd0aa
Author: Justin D'Arcangelo <justindarc@gmail.com>
Desc: Bug 1030153 - [Camera] Some Options menu icons missing
Bumping manifests a=b2g-bump