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

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https://hg.mozilla.org/integration/gaia-central/rev/1966c69241df
Author: Gabriele Svelto <gsvelto@mozilla.com>
Desc: Merge pull request #22964 from JinghuaXing/bug947198_master

Bug #947198 - [DSDS][dolphin][OMA CP] Support for DSDS. r=gsvelto

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https://hg.mozilla.org/integration/gaia-central/rev/c59393fd4463
Author: arvin zhang <arvin.zhang@spreadtrum.com>
Desc: Bug #947198 - [DSDS][dolphin][OMA CP] Support for DSDS. r=gsvelto
Bumping manifests a=b2g-bump