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

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https://hg.mozilla.org/integration/gaia-central/rev/b11bce51cbc8
Author: Cristian Rodriguez <crdlc@tid.es>
Desc: Merge pull request #12614 from EverythingMe/919463-dnd-dialer

Bug 919463 - [e.me][bug] Can't drag Dailer / Contacts into Collection [r...

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https://hg.mozilla.org/integration/gaia-central/rev/b223ab8d8000
Author: Amir Nissim <amirn@everything.me>
Desc: Bug 919463 - [e.me][bug] Can't drag Dailer / Contacts into Collection [r=crdlc]