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

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https://hg.mozilla.org/integration/gaia-central/rev/dbcdbc8d9466
Author: Fernando Jiménez Moreno <ferjmoreno@gmail.com>
Desc: Merge pull request #16970 from 6a68/bug-980608-fxa-test-client-autocorrect

Bug 980608 - Disable autocorrect in fxa-test-client r=ferjm

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https://hg.mozilla.org/integration/gaia-central/rev/98ee1f81378b
Author: Jared Hirsch <ohai@6a68.net>
Desc: Bug 980608 - Disable autocorrect in fxa-test-client r=ferjm
Bumping manifests a=b2g-bump