Bumping gaia.json for 1 gaia revision(s) a=gaia-bump

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https://hg.mozilla.org/integration/gaia-central/rev/70117d0593f9
Author: Ed Morley <emorley@mozilla.com>
Desc: Revert "Bug 1012663 - [SMS] Remove inline style for CSP compliance. r=julienw" for intermittent failures in sms/test/unit/attachment_test.js

This reverts commit 1bce57578f6f7bf0a0f5d0c5129a1f4eda06ecc4.
Bumping manifests a=b2g-bump