Bumping gaia.json for 3 gaia revision(s) a=gaia-bump

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https://hg.mozilla.org/integration/gaia-2_0/rev/16a711f957fc
Author: Ryan VanderMeulen <ryanvm@gmail.com>
Desc: Merge pull request #25947 from davidflanagan/bug1085212-v2.0

Bug 1085212: release video hardware before sharing and restore when done

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https://hg.mozilla.org/integration/gaia-2_0/rev/6c9b26650950
Author: David Flanagan <dflanagan@mozilla.com>
Desc: Bug 1085212: release video hardware before sharing and restore when done.

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https://hg.mozilla.org/integration/gaia-2_0/rev/3a0e88413c0b
Author: Jose M. Cantera <jmcanterafonseca@gmail.com>
Desc: Bug 1084224 - [Midori 2.0][Contacts][Facebook]keep logging out interface always when clickX

Conflicts:
	shared/js/contacts/import/facebook/fb_utils.js
Bumping manifests a=b2g-bump