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

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https://hg.mozilla.org/integration/gaia-2_1/rev/d9035b2d5011
Author: Alive Kuo <alegnadise@gmail.com>
Desc: Bug 1065720 - Upgrade the zindex of attention window before opened.

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https://hg.mozilla.org/integration/gaia-2_1/rev/a4738b05ba93
Author: Manuel Casas Barrado <manuel.casasbarrado@telefonica.com>
Desc: Bug 1062326 - [FTE] Status bar should be dark on dark FTE screens

Conflicts:
	apps/ftu/js/wifi.js
Bumping manifests a=b2g-bump