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

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https://hg.mozilla.org/integration/gaia-central/rev/aeafbb7f3634
Author: Germán Toro del Valle <gtorodelvalle@gmail.com>
Desc: Merge pull request #12611 from jmcanterafonseca/fix_matcher_info

Bug 923029 - [Contacts] Contacts matching library returning wrong results (r=gtorodelvalle)

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https://hg.mozilla.org/integration/gaia-central/rev/52d616252989
Author: Jose M. Cantera <jmcanterafonseca@gmail.com>
Desc: Bug 923029 - [Contacts] Contacts matching library returning wrong results