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

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https://hg.mozilla.org/integration/gaia-central/rev/0f6e92a467af
Author: Florin Strugariu <florin.strugariu@softvision.ro>
Desc: Merge pull request #25843 from JohanLorenzo/bug-1093583

Bug 1093583 - [DSDS] Add test to make a phone call with default SIM

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https://hg.mozilla.org/integration/gaia-central/rev/e3b7706e0c25
Author: Johan Lorenzo <jlorenzo@mozilla.com>
Desc: Bug 1093583 - [DSDS] Add test to make a phone call with default SIM
Bumping manifests a=b2g-bump