Bumping gaia.json for 1 gaia-central revision(s) a=gaia-bump

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https://hg.mozilla.org/integration/gaia-central/rev/44f3f92f1df4
Author: Zac Campbell <zcampbell@mozilla.com>
Desc: Bug 927348 - Python test import contacts from sim, repair typo in manifest file r=zac a=testonly