Bumping gaia.json for 4 gaia revision(s) a=gaia-bump

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https://hg.mozilla.org/integration/gaia-central/rev/3440b8cab407
Author: Francisco Jordano <arcturus@ardeenelinfierno.com>
Desc: Merge pull request #19190 from sergi/888152

Bug 888152 - [contacts] Import from vCard shows incorrect address format in Contacts app

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https://hg.mozilla.org/integration/gaia-central/rev/3bd0d5f7b31f
Author: Sergi Mansilla <sergi.mansilla@gmail.com>
Desc: Bug 888152 - [contacts] Import from vCard shows incorrect address format in Contacts app

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https://hg.mozilla.org/integration/gaia-central/rev/743fd9163ade
Author: Jose M. Cantera <jmcanterafonseca@gmail.com>
Desc: Merge pull request #19274 from jmcanterafonseca/fix_build_communications

Bug 1010749 - [FTU-Separation] Extract import build logic into a common ...

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https://hg.mozilla.org/integration/gaia-central/rev/3d82f4c0b389
Author: Jose M. Cantera <jmcanterafonseca@gmail.com>
Desc: Bug 1010749 - [FTU-Separation] Extract import build logic into a common file in order to be used as well by FTU app
Bumping manifests a=b2g-bump