Bumping gaia.json for 3 gaia revision(s) a=gaia-bump

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https://hg.mozilla.org/integration/gaia-2_0/rev/6b235b3c8c5b
Author: chirarobert <robert.chira@softvision.ro>
Desc: Bug 1033346 - [v2.0] Fix test_homescreen_move_app.py failure

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https://hg.mozilla.org/integration/gaia-2_0/rev/6f19167e6088
Author: Wilson Page <wilsonpage@me.com>
Desc: Merge pull request #21289 from wilsonpage/1021284-v2.0

Bug 1021284 - [camera] [flame] spinner appears after every photo capture

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https://hg.mozilla.org/integration/gaia-2_0/rev/73c8562dff66
Author: Wilson Page <wilsonpage@me.com>
Desc: Bug 1021284 - [camera] [flame] spinner appears after every photo capture
Bumping manifests a=b2g-bump