482f983a7b
Wallpaper will zoom out as you drag the overlay
Test: manually pull overlay
Fixes: 192502999
Change-Id: I9067b70d10497d4e16a5ef601161fbedfa9307e1
Merged-In: I9067b70d10497d4e16a5ef601161fbedfa9307e1
(cherry picked from commit 87d752062e)