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

========

https://hg.mozilla.org/integration/gaia-central/rev/ebaa4151da27
Author: Kevin Grandon <kevingrandon@yahoo.com>
Desc: Merge pull request #26801 from KevinGrandon/bug_1082787_search_provider_url

Bug 1082787 - [Search] Do not send full URLs to remote providers

========

https://hg.mozilla.org/integration/gaia-central/rev/b5a4ee4268b7
Author: Kevin Grandon <kevingrandon@yahoo.com>
Desc: Bug 1082787 - [Search] Do not send full URLs to remote providers r=daleharvey
Bumping manifests a=b2g-bump