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

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https://hg.mozilla.org/integration/gaia-central/rev/0267d9a907cc
Author: albertopq <albert.pastor@gmail.com>
Desc: Merge pull request #25445 from albertopq/1087027-sim-pin-home

Bug 1087027 - Closing Sim dialog on home press r=alive

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https://hg.mozilla.org/integration/gaia-central/rev/fcb33d7700c1
Author: albertopq <apastor@mozilla.com>
Desc: Bug 1087027 - Closing Sim dialog on home press
Bumping manifests a=b2g-bump