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

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https://hg.mozilla.org/integration/gaia-central/rev/01fcb484d4bd
Author: ochameau <poirot.alex@gmail.com>
Desc: Merge pull request #10535 from AntonioMA/master

Bug 885682: Allow including preference files from GAIA_DISTRIBUTION_DIR r=ochameau

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https://hg.mozilla.org/integration/gaia-central/rev/1cd42ff41b69
Author: Antonio M. Amaya <amac@peregrin>
Desc: Modified Makefile to include partner-prefs.js file from GAIA_DISTRIBUTION_DIR if it exists