Bumping gaia.json for 2 gaia-central revision(s)

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https://hg.mozilla.org/integration/gaia-central/rev/cc6529f11643
Author: Ben Kelly <bkelly@mozilla.com>
Desc: Merge pull request #11233 from wanderview/contacts-update-tel-type

Bug 898241: Use l10n type for tel update activity.  r=jmcf

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https://hg.mozilla.org/integration/gaia-central/rev/07314a1896fa
Author: Ben Kelly <ben@wanderview.com>
Desc: Bug 898241: Use l10n type for tel update activity.