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

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https://hg.mozilla.org/integration/gaia-central/rev/194fcb41d0f0
Author: Yuren Ju <yurenju@gmail.com>
Desc: Merge pull request #24314 from sudheesh001/Patch_1061518

Fixes Bug 1061518 jshint errors in fake_update-checker.js r=yurenju

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https://hg.mozilla.org/integration/gaia-central/rev/23369fad8684
Author: sudheesh001 <sudheesh1995@outlook.com>
Desc: Fixes Bug 1061518 jshint errors in fake_update-checker.js r=yurenju
Bumping manifests a=b2g-bump