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

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https://hg.mozilla.org/integration/gaia-central/rev/9b9d9968b89b
Author: Tzu-Lin Huang <dwi019@gmail.com>
Desc: Merge pull request #26520 from dwi2/bug1105588

Bug 1105588 - [Stingray][System] allow - in oop black list

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https://hg.mozilla.org/integration/gaia-central/rev/6717964b16a7
Author: Tzu-Lin Huang <tzhuang@mozilla.com>
Desc: Bug 1105588 - [Stingray][System] allow - in oop black list
Bumping manifests a=b2g-bump