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

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https://hg.mozilla.org/integration/gaia-central/rev/aabda3c6c82f
Author: James Burke <jrburke@gmail.com>
Desc: Merge pull request #12523 from jrburke/bug917465-email-notify-spin

Bug 917465 - [Email] launching a mail notification will cause Email app to spin and load forever r=asuth

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https://hg.mozilla.org/integration/gaia-central/rev/da41eb15fb40
Author: jrburke <jrburke@gmail.com>
Desc: Bug 917465 - [Email] launching a mail notification will cause Email app to spin and load forever