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

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https://hg.mozilla.org/integration/gaia-2_0/rev/c36c54400b59
Author: Dave Hunt <dave.hunt@gmail.com>
Desc: Bumped gaiatest-v2.0 version to 0.3. r=me a=test-only
Bumping manifests a=b2g-bump
Merge mozilla-b2g32 to 2.0m. a=merge