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

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https://hg.mozilla.org/integration/gaia-central/rev/467b9506f6fc
Author: Kevin Grandon <kevingrandon@yahoo.com>
Desc: Merge pull request #25961 from KevinGrandon/bug_1089006_collection_renaming_restart

Bug 1089006 - [Collection] nonTranslatable property is not saved in home screen

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https://hg.mozilla.org/integration/gaia-central/rev/c4af4555195c
Author: Kevin Grandon <kevingrandon@yahoo.com>
Desc: Bug 1089006 - [Collection] nonTranslatable property is not saved in home screen r=Cwiiis
Bumping manifests a=b2g-bump