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

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https://hg.mozilla.org/integration/gaia-central/rev/9ba3b57fd2d8
Author: James Burke <jrburke@gmail.com>
Desc: Merge pull request #19798 from jrburke/bug1008354-email-remove-long-press

Bug 1008354 - [B2G][Gaia][Email] Long pressing an email, to be removed r=asuth

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https://hg.mozilla.org/integration/gaia-central/rev/204ba1e3e3e7
Author: jrburke <jrburke@gmail.com>
Desc: Bug 1008354 - [B2G][Gaia][Email] Long pressing an email, to be removed
Bumping manifests a=b2g-bump