Lockscreen wallpaper: move to lockscreen style

Change-Id: I96cc3bdbaa4bdcfa4ba3cfd28cce69b612362b8d

Conflicts:
	res/xml/lockscreen_style.xml
Lockscreen: See through (2/2)

Change-Id: I41c23979a3d7f2d078073dd8134be5dc29d6eecb

Conflicts:
	res/xml/lockscreen_style.xml
Lockscreen: See through (2/2)

Change-Id: I41c23979a3d7f2d078073dd8134be5dc29d6eecb