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

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https://hg.mozilla.org/integration/gaia-central/rev/b37e432e7f55
Author: Florin Strugariu <florin.strugariu@softvision.ro>
Desc: Merge pull request #26064 from viorelaioia/bug_1097605

Disable cost control tests because of Bug 1061698

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https://hg.mozilla.org/integration/gaia-central/rev/1d07adab7b6f
Author: Viorela Ioia <viorelaioia@gmail.com>
Desc: Disable cost control tests because of Bug 1061698
Bumping manifests a=b2g-bump