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

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https://hg.mozilla.org/integration/gaia-central/rev/230b451ecb81
Author: Florin Strugariu <bebef_1987@yahoo.com>
Desc: Merge pull request #16913 from zacc/bug_979869

Bug 979869 - Upgrade send sms atom to only return when the sms is actual...

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https://hg.mozilla.org/integration/gaia-central/rev/d71d4b550221
Author: Zac Campbell <zcampbell@mozilla.com>
Desc: Bug 979869 - Upgrade send sms atom to only return when the sms is actually sent
Bumping manifests a=b2g-bump