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

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https://hg.mozilla.org/integration/gaia-central/rev/a202d951a704
Author: James Lal <james@lightsofapollo.com>
Desc: Merge pull request #11464 from lightsofapollo/revert-11425

Revert "Merge pull request #11425 from comoyo/mozContacts2vcard"

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https://hg.mozilla.org/integration/gaia-central/rev/94b6457ad206
Author: James Lal <james@lightsofapollo.com>
Desc: Revert "Merge pull request #11425 from comoyo/mozContacts2vcard"

This reverts commit 1b3b923534f606c69fce61136aa21849ee8bba6a, reversing
changes made to c354940fbe112bcf2d90e2a5654ad1824f3a2348.