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

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https://hg.mozilla.org/integration/gaia-central/rev/a71c15ee6e62
Author: Kevin Grandon <kevingrandon@yahoo.com>
Desc: Merge pull request #20706 from KevinGrandon/bug_1016226_collection_update

Bug 1016226 - [Vertical] Homescreen Icon should update when Collection's data changes

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https://hg.mozilla.org/integration/gaia-central/rev/e6f14387acfe
Author: Kevin Grandon <kevingrandon@yahoo.com>
Desc: Bug 1016226 - [Vertical] Homescreen Icon should update when Collection's data changes r=ranbena
Bumping manifests a=b2g-bump