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

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https://hg.mozilla.org/integration/gaia-central/rev/00ceae21c526
Author: Florin Strugariu <bebef_1987@yahoo.com>
Desc: Merge pull request #13351 from viorelaioia/bug_934506

Bug 934506 - Update locator for messages frame in test_sms_contact

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https://hg.mozilla.org/integration/gaia-central/rev/46fe2386bf74
Author: Viorela Ioia <viorelaioia@gmail.com>
Desc: Bug 934506 - Update locator for messages frame in test_sms_contact