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

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https://hg.mozilla.org/integration/gaia-central/rev/2f0e649b919e
Author: Douglas Sherk <github@sherk.me>
Desc: Merge pull request #17166 from DouglasSherk/dsds-sms2

Bug 947140 - [DSDS][Dialer][Contacts][SMS] Long tap to send message, refactor CallButton to MultiSimActionButton. r=julienw,francisco,rik

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https://hg.mozilla.org/integration/gaia-central/rev/f961f05a75c3
Author: DouglasSherk <github@sherk.me>
Desc: Bug 947140 - [DSDS][Dialer][Contacts][SMS] Long tap to send message, refactor CallButton to MultiSimActionButton. r=julienw,francisco,rik
Bumping manifests a=b2g-bump