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

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https://hg.mozilla.org/integration/gaia-central/rev/2267750ab6f0
Author: steveck-chung <schung@mozilla.com>
Desc: Merge pull request #16606 from steveck-chung/DSDS-report

Bug 947142 - [DSDS][Message] Message Report show SIM information, r=julienw.

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https://hg.mozilla.org/integration/gaia-central/rev/1a3122706613
Author: Steve Chung <schung@mozilla.com>
Desc: Bug 947142 - [DSDS][Message] Message Report show SIM information
Bumping manifests a=b2g-bump