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

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https://hg.mozilla.org/integration/gaia-central/rev/d1eaed7f2bc6
Author: Jose M. Cantera <jmcanterafonseca@gmail.com>
Desc: Merge pull request #13236 from jmcanterafonseca/fb_shared_final2

Bug 924132 - Create a shared library that allows to deal with FB Data in...

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https://hg.mozilla.org/integration/gaia-central/rev/5069885e0c57
Author: Jose M. Cantera <jmcanterafonseca@gmail.com>
Desc: Bug 924132 - Create a shared library that allows to deal with FB Data in a DataStore