Bumping gaia.json for 4 gaia revision(s) a=gaia-bump

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https://hg.mozilla.org/integration/gaia-central/rev/c349ef7fc9b4
Author: Gareth Aye <gaye@mozilla.com>
Desc: Merge pull request #25674 from gaye/reland-821604

Reland 821604

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https://hg.mozilla.org/integration/gaia-central/rev/c3777078af05
Author: gaye <gaye@mozilla.com>
Desc: Bug 821604 - Emit pause event after revoking alarm

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https://hg.mozilla.org/integration/gaia-central/rev/cb5d8c3fc43d
Author: gaye <gaye@mozilla.com>
Desc: Bug 821604 - Make sure we're augmenting the right chai with hasProperties

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https://hg.mozilla.org/integration/gaia-central/rev/0b7ce432debf
Author: gaye <gaye@mozilla.com>
Desc: Revert "Revert "Merge pull request #25420 from gaye/bug-821604" for Gu test failures"

This reverts commit eb8a140841f2fb2d8f28f45cbfd0bb053d8aa187.
Bumping manifests a=b2g-bump