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

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https://hg.mozilla.org/integration/gaia-central/rev/0ce1ffd89f84
Author: viorelaioia <viorela.ioia@softvision.ro>
Desc: Merge pull request #24880 from chirarobert/disable_unlock_camera

Bug 1079211 - [v2.2] Disable test_unlock_to_camera_with_passcode because...

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https://hg.mozilla.org/integration/gaia-central/rev/d8020206532a
Author: Robert Chira <robertchira@P5075.(none)>
Desc: Bug 1079211 - [v2.2] Disable test_unlock_to_camera_with_passcode because of Bug 1078270
Bumping manifests a=b2g-bump