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

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https://hg.mozilla.org/integration/gaia-central/rev/2a0c07f14b2c
Author: Ghislain 'Aus' Lacroix <aus@noiseport.org>
Desc: Merge pull request #24454 from nullaus/bug1069452

bug 1069452 - Never take screenshot of closing AppWindow if part of home...

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https://hg.mozilla.org/integration/gaia-central/rev/ca63ed5fe8a6
Author: Ghislain 'Aus' Lacroix <aus@mozilla.com>
Desc: bug 1069452 - Never take screenshot of closing AppWindow if part of homescreen. r=alive,etienne
Bumping manifests a=b2g-bump