Bumping gaia.json for 2 gaia-1_3 revision(s) a=gaia-bump

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https://hg.mozilla.org/integration/gaia-1_3/rev/c7e66dd4524f
Author: Florin Strugariu <bebef_1987@yahoo.com>
Desc: Merge pull request #15809 from bobsilverberg/cc_failure

Bug 965313 - xfail test_cost_control_reset_wifi on v1.3 due to bug 965305

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https://hg.mozilla.org/integration/gaia-1_3/rev/c2d7a30133f0
Author: Bob Silverberg <bob.silverberg@gmail.com>
Desc: Bug 965313 - xfail test_cost_control_reset_wifi on v1.3 due to bug 965305