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

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https://hg.mozilla.org/integration/gaia-central/rev/9929c3c11ea4
Author: Etienne Segonzac <etienne@segonzac.info>
Desc: Merge pull request #11663 from etiennesegonzac/bug-906203-unit-test-failure

Bug 906203 - Fixing the mocks for keypad_test.js

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https://hg.mozilla.org/integration/gaia-central/rev/f0c2bdec2d6a
Author: Etienne Segonzac <etienne@segonzac.info>
Desc: Bug 906203 - Fixing the mocks for keypad_test.js
r=rik