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

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https://hg.mozilla.org/integration/gaia-central/rev/fd3db6a0c6ac
Author: Jose M. Cantera <jmcanterafonseca@gmail.com>
Desc: Merge pull request #11071 from jmcanterafonseca/passive_merge_pr

Bug 894869 - Gmail, and Hotmail connectors need to support contact dedup...

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https://hg.mozilla.org/integration/gaia-central/rev/c0ee0b028761
Author: Jose M. Cantera <jmcanterafonseca@gmail.com>
Desc: Bug 894869 - Gmail, and Hotmail connectors need to support contact dedup as per passive matching rules