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

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https://hg.mozilla.org/integration/gaia-central/rev/d2bf202524fe
Author: Fabien Cazenave <fabien@mozilla.com>
Desc: Merge pull request #17637 from anefzaoui/Email@2.25x

Bug 983072 - [MADAI][Email] @2.25x assets update for Email, r=jrburke

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https://hg.mozilla.org/integration/gaia-central/rev/587cd3181904
Author: anefzaoui <nefzaoui.ahmed@hotmail.com>
Desc: [MADAI][Email] @2.25x assets update for Email
Bumping manifests a=b2g-bump