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

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https://hg.mozilla.org/integration/gaia-central/rev/f1035d9b6b8b
Author: Etienne Segonzac <etienne@segonzac.info>
Desc: Merge pull request #13667 from etiennesegonzac/edges-gestures-integration-test

Bug 936585 - Cover the app-to-app edges gestures with integration tests r=alive

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https://hg.mozilla.org/integration/gaia-central/rev/90648a8d4db8
Author: Etienne Segonzac <etienne@segonzac.info>
Desc: Bug 936585 - Cover the app-to-app edges gestures with integration tests