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

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https://hg.mozilla.org/integration/gaia-central/rev/1eae9e9e51f0
Author: lissyx <lissyx+github@lissyx.dyndns.org>
Desc: Merge pull request #18856 from lissyx/bug1003063

Bug 1003063 - Remove old mozContentEvent/mozChromeEvent for notifications r=alive,mhenretty

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https://hg.mozilla.org/integration/gaia-central/rev/ba70c85b5890
Author: Alexandre Lissy <lissyx+github@lissyx.dyndns.org>
Desc: Bug 1003063 - Remove old mozContentEvent/mozChromeEvent for notifications
Bumping manifests a=b2g-bump