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

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https://hg.mozilla.org/integration/gaia-central/rev/d56c46fdd8f9
Author: Ghislain 'Aus' Lacroix <aus@noiseport.org>
Desc: Merge pull request #12253 from nullaus/agps-unit-tests

bug 891732 - AGPS/SUPL Operator Variant Unit Tests. r=jaoo

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https://hg.mozilla.org/integration/gaia-central/rev/d3e7c3670930
Author: Ghislain 'Aus' Lacroix <aus@mozilla.com>
Desc: bug 891732 - AGPS/SUPL Operator Variant Unit Tests.

r=josea.olivera