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

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https://hg.mozilla.org/integration/gaia-central/rev/ba03fe1224bd
Author: Kevin Grandon <kevingrandon@yahoo.com>
Desc: Merge pull request #18341 from KevinGrandon/bug_994800_home2_item_persistence

Bug 994800 - [Home2] Persist item location

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https://hg.mozilla.org/integration/gaia-central/rev/5808b02094ac
Author: Kevin Grandon <kevingrandon@yahoo.com>
Desc: Bug 994800 - [Home2] Persist item location r=me a=gwagner
Bumping manifests a=b2g-bump