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

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https://hg.mozilla.org/integration/gaia-central/rev/a1f37c302ce0
Author: dwi2 <dwi2@dwi2.com>
Desc: Merge pull request #22343 from begeeben/1032024_refine_comments

Bug 1043890 - [browser][JSDOC] Refine comments and fix linting errors

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https://hg.mozilla.org/integration/gaia-central/rev/90435ce1c1c1
Author: Yi-Fan Liao <begeeben@gmail.com>
Desc: Bug 1043890 - [browser][JSDOC] Refine comments and fix linting errors

* Fix jshint errors.
* Revise comments with jsdoc syntax and make 'grunt jsdoc:browser' works.
Bumping manifests a=b2g-bump