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

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https://hg.mozilla.org/integration/gaia-central/rev/145448a42810
Author: Kevin Grandon <kevingrandon@yahoo.com>
Desc: Merge pull request #21200 from KevinGrandon/bug_1032557_collections_synchronize

Bug 1032557 - Synchronize logic for collections

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https://hg.mozilla.org/integration/gaia-central/rev/fa9dec8ac1f6
Author: Kevin Grandon <kevingrandon@yahoo.com>
Desc: Bug 1032557 - Synchronize logic for collections r=crdlc
Bumping manifests a=b2g-bump