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

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https://hg.mozilla.org/integration/gaia-1_3/rev/a10ef284807a
Author: Anthony Ricaud <anthony@ricaud.me>
Desc: Merge pull request #16219 from Rik/wakelock-enabled-971761

Bug 971761 - Enable requestWakeLock in DEBUG builds to turn our tests gr... r=kgrandon
(cherry picked from commit 696150cbfdfd30ec0f78a45466035a8f3a2b3b91)

Conflicts:
	build/preferences.js
Bumping manifests a=b2g-bump