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

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https://hg.mozilla.org/integration/gaia-central/rev/8a0610e9f07b
Author: Kevin Grandon <kevingrandon@yahoo.com>
Desc: Merge pull request #25945 from KevinGrandon/bug_1095638_chai_split_test

Bug 1095638 - Split resolve/reject cases in chai-as-promised test

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https://hg.mozilla.org/integration/gaia-central/rev/3ed8bc3da885
Author: Kevin Grandon <kevingrandon@yahoo.com>
Desc: Bug 1095638 - Split resolve/reject cases in chai-as-promised test r=julienw
Bumping manifests a=b2g-bump