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

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https://hg.mozilla.org/integration/gaia-1_3/rev/b69cbc983572
Author: Dale Harvey <dale@arandomurl.com>
Desc: Bug 975161 - Reland ensure SIM Pin inputs are visible. r=vingetun

This reverts commit 05337d2ce75651550892ca883030548ed5f7d6aa.

Conflicts:
	apps/system/test/unit/statusbar_test.js
	build/jshint/xfail.list
Bumping manifests a=b2g-bump