SystemUI: 6-bar signal icon sytle option

 * updated drawables for kitkat

Change-Id: I13f53c9500b44286c1cb93fd27ad1275b1d29484

Conflicts:
	core/java/android/provider/Settings.java
	packages/SystemUI/src/com/android/systemui/statusbar/policy/NetworkController.java
SystemUI: 6-bar signal icon sytle option

 * updated drawables for kitkat

Change-Id: I13f53c9500b44286c1cb93fd27ad1275b1d29484

Conflicts:
	packages/SystemUI/src/com/android/systemui/statusbar/policy/NetworkController.java
SystemUI: 6-bar signal icon sytle option

 * updated drawables for kitkat

Change-Id: I13f53c9500b44286c1cb93fd27ad1275b1d29484

Conflicts:
	core/java/android/provider/Settings.java
	packages/SystemUI/src/com/android/systemui/statusbar/policy/NetworkController.java