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

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https://hg.mozilla.org/integration/gaia-central/rev/7c8bbd0eb454
Author: Francisco Jordano <arcturus@ardeenelinfierno.com>
Desc: Merge pull request #23849 from pacorampas/1062809

Bug 1062809 - [Contacts] Strange icon shown in the ICE Contact list when the Contact doesn't have picture

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https://hg.mozilla.org/integration/gaia-central/rev/fae512e4705e
Author: Paco Rampas <pacorampas@gmail.com>
Desc: Bug 1062809 - [Contacts] Strange icon shown in the ICE Contact list when the Contact doesn't have picture
Bumping manifests a=b2g-bump