Revert "LockScreen Wallpaper (2/2)"

This reverts commit 76974777df5575690aa7446c2edd2923886cba63.
Revert LockScreen Transparent

Change-Id: Ic595ee48347cafed585b04b47e2a67c9d7011f95
Port Lockscreen Custom Image (2/2)

Change-Id: I20f56353ddd1f8c47003564f83d7fd9fb62b5d64

Conflicts:
	res/values/strings.xml