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

========

https://hg.mozilla.org/integration/gaia-central/rev/fbb3804d7bea
Author: gasolin <gasolin@gmail.com>
Desc: Merge pull request #23940 from gasolin/issue-1065886

Bug 1065886 - fix jsdoc build errors, r=me

========

https://hg.mozilla.org/integration/gaia-central/rev/0a047c97703b
Author: gasolin <gasolin@gmail.com>
Desc: Bug 1065886 - fix jsdoc build errors
Bumping manifests a=b2g-bump