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

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https://hg.mozilla.org/integration/gaia-central/rev/795b485f8cf2
Author: Alive.Kuo <alegnadise@gmail.com>
Desc: Merge pull request #19092 from alivedise/bugzilla/1007574/two-sceenshots-call-on-bootup

Bug 1007574 - Ready right away if screenshot is protecting the frame, r=timdream

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https://hg.mozilla.org/integration/gaia-central/rev/c24672689f5a
Author: Alive Kuo <alegnadise@gmail.com>
Desc: Bug 1007574 - Ready right away if screenshot is protecting the frame
Bumping manifests a=b2g-bump