Bumping gaia.json for 4 gaia-central revision(s)

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https://hg.mozilla.org/integration/gaia-central/rev/1841f63b9213
Author: Cristian Rodriguez <crdlc@tid.es>
Desc: Merge pull request #11039 from crdlc/bug-895310

Bug 895310 - Cancel import from social networks fails in update scenario

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https://hg.mozilla.org/integration/gaia-central/rev/a6905e9d9def
Author: crdlc <crdlc@tid.es>
Desc: Bug 895310 - Cancel import from social networks fails in update scenario

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https://hg.mozilla.org/integration/gaia-central/rev/65f5869ae1ce
Author: Cristian Rodriguez <crdlc@tid.es>
Desc: Merge pull request #11002 from crdlc/bug-importer-statue-msg

Bug 894254 - After canceling an import from FB, Gmail, etc there is not ...

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https://hg.mozilla.org/integration/gaia-central/rev/6b9b3a939181
Author: crdlc <crdlc@tid.es>
Desc: Bug 894254 - After canceling an import from FB, Gmail, etc there is not status message