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

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https://hg.mozilla.org/integration/gaia-2_0/rev/5046325af989
Author: Ryan VanderMeulen <ryanvm@gmail.com>
Desc: Merge pull request #24427 from wilsonpage/1069200-v2.0

Bug 1069200 - [Camera]Rapidly click take button and switch picture/video mode

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https://hg.mozilla.org/integration/gaia-2_0/rev/c6797734248f
Author: Wilson Page <wilsonpage@me.com>
Desc: Bug 1069200 - [Camera]Rapidly click take button and switch picture/video mode will cause video recording and picture mode in the same time
Bumping manifests a=b2g-bump