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

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https://hg.mozilla.org/integration/gaia-central/rev/8e5b9e3e9723
Author: Dave Hylands <dhylands@gmail.com>
Desc: Merge pull request #19249 from dhylands/ds-test-canBe

Bug 1007053 - Make ds-test report canBeShareable. r=dhylands

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https://hg.mozilla.org/integration/gaia-central/rev/62cceefc9ab9
Author: Dave Hylands <dhylands@gmail.com>
Desc: Bug 1007053 - Make ds-test report canBeShareable. r=dhylands
Bumping manifests a=b2g-bump