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

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https://hg.mozilla.org/integration/gaia-central/rev/fdabeb5384b9
Author: Miller Medeiros <miller@millermedeiros.com>
Desc: Merge pull request #17252 from millermedeiros/984546-jshintrc

Bug 984546 - [Calendar] JSHint add shared jshintrc file to calendar/js folder r=gaye

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https://hg.mozilla.org/integration/gaia-central/rev/a97b5c77a192
Author: Miller Medeiros <miller@millermedeiros.com>
Desc: Bug 984546 - [Calendar] JSHint add shared jshintrc file to calendar/js folder [ci skip]
Bumping manifests a=b2g-bump