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

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https://hg.mozilla.org/integration/gaia-central/rev/3cfb4f0fe8e8
Author: Michal Budzynski <michal@virtualdesign.pl>
Desc: Merge pull request #11789 from michalbe/nexport-contacts

Bug 887776 - export contacts to SD Card r=arcturus

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https://hg.mozilla.org/integration/gaia-central/rev/df69d3b90792
Author: Michal Budzynski <michal@virtualdesign.pl>
Desc: Bug 887776 - export contacts to SD Card

trash

trash

bluetooth button disabled

revert

disable bluetooth buttonm

device storage shared helpers added

export multiple contacts to one file

tests fixed

tests fixed even better

progress screen fixed

tests fixed