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

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https://hg.mozilla.org/integration/gaia-central/rev/0df3408e26e4
Author: albertopq <albert.pastor@gmail.com>
Desc: Merge pull request #26289 from albertopq/1092393-restart-download-date

Bug 1092393 - Pausing downloads on shutdown r=aus

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https://hg.mozilla.org/integration/gaia-central/rev/3639307eb4eb
Author: albertopq <apastor@mozilla.com>
Desc: Bug 1092393 - Pausing downloads on shutdown
Bumping manifests a=b2g-bump