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

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https://hg.mozilla.org/integration/gaia-central/rev/cbd0b3d032bd
Author: Kevin Grandon <kevingrandon@yahoo.com>
Desc: Merge pull request #18997 from KevinGrandon/bug_841422_shared_move_contact_test

Bug 841422 - Follow-up, move contact2vcard_test.js to sharedtest app

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https://hg.mozilla.org/integration/gaia-central/rev/39bd5f6562e2
Author: Kevin Grandon <kevingrandon@yahoo.com>
Desc: Bug 841422 - Follow-up, move additional tests for shared code into sharedtest app r=me
Bumping manifests a=b2g-bump