Bumping gaia.json for 1 gaia-1_3 revision(s) a=gaia-bump

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https://hg.mozilla.org/integration/gaia-1_3/rev/1403af671e24
Author: Kartikaya Gupta <kgupta@mozilla.com>
Desc: Bug 909877 - Enable APZ for all of gaia. rs=milan

(cherry picked from commit 969448b53a9148e58880f64c7a12425ddef99dda)