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

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https://hg.mozilla.org/integration/gaia-central/rev/fb82768eafb7
Author: Jan Keromnes <janx@linux.com>
Desc: Merge pull request #17752 from jankeromnes/reenable

Bug 986173 - Reenable the dialer reflow test. r=Rik

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https://hg.mozilla.org/integration/gaia-central/rev/a0a1264dd1d8
Author: Jan Keromnes <janx@linux.com>
Desc: Bug 986173 - Reenable the dialer reflow test. r=Rik
Bumping manifests a=b2g-bump