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

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https://hg.mozilla.org/integration/gaia-central/rev/bcd768a618a1
Author: Kevin Grandon <kevingrandon@yahoo.com>
Desc: Merge pull request #24780 from KevinGrandon/bug_1077579_shb_permission_prompt_sizing

Bug 1077579 - [SoftwareHome] Add integration tests for permission dialog, coverage for bug 1074608

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https://hg.mozilla.org/integration/gaia-central/rev/60364d413c2f
Author: Kevin Grandon <kevingrandon@yahoo.com>
Desc: Bug 1077579 - [SoftwareHome] Add integration tests for permission dialog, coverage for bug 1074608 r=mhenretty
Bumping manifests a=b2g-bump