Bumping gaia.json for 3 gaia revision(s) a=gaia-bump

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https://hg.mozilla.org/integration/gaia-central/rev/17cf022ed4d8
Author: Andrew Sutherland <asutherland@asutherland.org>
Desc: Merge pull request #16662 from Archaeopteryx/email-setupInfoHeaderRemove

Bug 977039 - [email] remove obsolete string entity setup-info-header. r=asuth

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https://hg.mozilla.org/integration/gaia-central/rev/40668919fc09
Author: Sebastian Hengst <archaeopteryx@coole-files.de>
Desc: Bug 977039 - [email] remove obsolete string entity setup-info-header

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https://hg.mozilla.org/integration/gaia-central/rev/388793d0666a
Author: Gabriele Svelto <gsvelto@mozilla.com>
Desc: Bug 958733 - Never validate MMI codes in CDMA networks r=rik
Bumping manifests a=b2g-bump