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/8008c0c9e43d
Author: Ghislain 'Aus' Lacroix <aus@noiseport.org>
Desc: Merge pull request #15971 from nullaus/bug968102

bug 968102

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https://hg.mozilla.org/integration/gaia-1_3/rev/8dbebd4f5703
Author: Ghislain 'Aus' Lacroix <aus@mozilla.com>
Desc: bug 968102

* fix js load order so that OperatorVariantHandler is defined and available as expected.

r=janjongboom