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

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https://hg.mozilla.org/integration/gaia-central/rev/930e9ee90d32
Author: Kevin Grandon <kevingrandon@yahoo.com>
Desc: Merge pull request #20090 from KevinGrandon/bug_1021121_vertical_icon_localization

Bug 1021121 - [Vertical] Home screen icons are not localized

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https://hg.mozilla.org/integration/gaia-central/rev/19fea43caaec
Author: Kevin Grandon <kevingrandon@yahoo.com>
Desc: Bug 1021121 - [Vertical] Home screen icons are not localized r=lightsofapollo
Bumping manifests a=b2g-bump