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

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https://hg.mozilla.org/integration/gaia-central/rev/9aaf903e3497
Author: Evyatar Amitay <evyatron@gmail.com>
Desc: Merge pull request #11773 from EverythingMe/re-enable-test-migration

[Bug 909631] re-enable e.me test - add migration checks [r=crdlc]

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https://hg.mozilla.org/integration/gaia-central/rev/eaa43bfe016f
Author: Evyatar Amitay <evyatron@gmail.com>
Desc: [Bug 909631] re-enable e.me test - add migration checks [r=crdlc]