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

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https://hg.mozilla.org/integration/gaia-central/rev/da2c1ac32278
Author: Julien Wajsberg <felash@gmail.com>
Desc: Merge pull request #24165 from julienw/1069232-wappush-fix-tests

Bug 1069232 - [Wappush] Issue in asychronous unit tests r=gsvelto

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https://hg.mozilla.org/integration/gaia-central/rev/2c07b644126d
Author: Julien Wajsberg <felash@gmail.com>
Desc: Bug 1069232 - [Wappush] Issue in asychronous unit tests r=gsvelto
Bumping manifests a=b2g-bump