Lockscreen blur and blur radius (1/2)
Change-Id: Iab92bc2adfc2c861cd4f1baccdba2409a5deb788

Conflicts:
core/java/android/provider/Settings.java
packages/Keyguard/src/com/android/keyguard/KeyguardViewManager.java
policy/src/com/android/internal/policy/impl/keyguard/KeyguardServiceWrapper.java

Conflicts:
packages/Keyguard/src/com/android/keyguard/KeyguardViewManager.java

Lockscreen Blur: Disable if music is playing

Some apps don't employ full screen album art.
In that case album art doesn't override wallpaper & content behind screen is clearly visible.
This fixes that issue.
Also add a patch for LockscreenWallpaper