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

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https://hg.mozilla.org/integration/gaia-central/rev/ac80bbe24c39
Author: Kevin Grandon <kevingrandon@yahoo.com>
Desc: Merge pull request #14902 from KevinGrandon/bug_941176_rocketbar_view_title

Bug 941176 - [Rocketbar] Add title to statusbar r=daleharvey

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https://hg.mozilla.org/integration/gaia-central/rev/f299fccf6072
Author: Kevin Grandon <kevingrandon@yahoo.com>
Desc: Bug 941176 - [Rocketbar] Add title to statusbar r=daleharvey

A new title resides in the statusbar. When rocketbar is enabled, notification icons are shifted to the right. The title attemtps to maintain proper state by listening to mozbrowser events.