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

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https://hg.mozilla.org/integration/gaia-2_1/rev/4a1029edbd08
Author: Florin Strugariu <florin.strugariu@softvision.ro>
Desc: Merge pull request #24559 from chirarobert/uplift_camera

Bug 1055038 - False positive in test_lockscreen_unlock_to_camera

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https://hg.mozilla.org/integration/gaia-2_1/rev/ee42f1f28059
Author: Robert Chira <robertchira@P5075.(none)>
Desc: Bug 1055038 - False positive in test_lockscreen_unlock_to_camera
Bumping manifests a=b2g-bump