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

========

https://hg.mozilla.org/integration/gaia-1_3/rev/af779305aa2f
Author: Jose M. Cantera <jmcanterafonseca@gmail.com>
Desc: Merge pull request #17182 from crdlc/bug-983176-v2

Bug 983176 - [B2g][Contacts] Unresponsive done button while searching FB...

========

https://hg.mozilla.org/integration/gaia-1_3/rev/3f0c6eddbef6
Author: crdlc <crdlc@tid.es>
Desc: Bug 983176 - [B2g][Contacts] Unresponsive done button while searching FB contacts
Bumping manifests a=b2g-bump