Revert "WiFi : Fix to DHCP to static IP configuration problem"

This reverts commit baec9533ae86d9f05b06ce2948d0316c3cf24c72.
Fix
fb: less notifications sound (1/2)

add back the 4.3 feature like it was.
User can setup how often notification sound
for an app comes trough so that
it does not annoy to much

Change-Id: I3d7b2ef2e2ff99b7c23880626e0268ec4c5d8543

Conflicts:
	core/java/android/provider/Settings.java
	services/core/java/com/android/server/notification/NotificationManagerService.java