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

========

https://hg.mozilla.org/integration/gaia-central/rev/f3aaa2e5ab4f
Author: Amir Nissim <amirnissim@gmail.com>
Desc: Merge pull request #22455 from EverythingMe/1048005-cdn-icons

Bug 1048005 - [EverythingMe] CDN urls for web results icons

========

https://hg.mozilla.org/integration/gaia-central/rev/b6df75279ece
Author: Amir Nissim <amirnissim@gmail.com>
Desc: Bug 1048005 - [EverythingMe] CDN urls for web results icons. r=me
Bumping manifests a=b2g-bump