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

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https://hg.mozilla.org/integration/gaia-central/rev/17efedc0220b
Author: Rex KM Lee <rexboy@mozilla.com>
Desc: Merge pull request #26278 from rexboy7/1098274-add-and-remove-card

bug 1098274 - [Stingray][Home] Add and remove card programitacally. r= dwi2

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https://hg.mozilla.org/integration/gaia-central/rev/25dfaebb353f
Author: Rex Lee <rexboy@mozilla.com>
Desc: bug 1098274 - [Stingray][Home] Add and remove card programitacally
Bumping manifests a=b2g-bump