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

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https://hg.mozilla.org/integration/gaia-central/rev/cf0a7f6e7eba
Author: Kevin Grandon <kevingrandon@yahoo.com>
Desc: Merge pull request #20991 from KevinGrandon/land_bug_1026792

Bug 1026792 - [Rocketbar] Rocketbar search should be cancelled when the device sleeps, or gets locked

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https://hg.mozilla.org/integration/gaia-central/rev/03ec44cb19cd
Author: Kevin Grandon <kevingrandon@yahoo.com>
Desc: Bug 1026792 - [Rocketbar] Rocketbar search should be cancelled when the device sleeps, or gets locked, by vingtetun r=daleharvey
Bumping manifests a=b2g-bump