Revert "Fix SystemUI memory leaks on theme changes."

This reverts commit f01b024eff0de91106b9107a61d4e911460681ce.

 On branch jb422
 Changes to be committed:
	deleted:    packages/SystemUI/src/com/android/systemui/quicksettings/AirplaneModeTile.java
	deleted:    packages/SystemUI/src/com/android/systemui/quicksettings/BatteryTile.java
	deleted:    packages/SystemUI/src/com/android/systemui/quicksettings/BluetoothTile.java
	deleted:    packages/SystemUI/src/com/android/systemui/quicksettings/DockBatteryTile.java
	deleted:    packages/SystemUI/src/com/android/systemui/quicksettings/MobileNetworkTile.java
	deleted:    packages/SystemUI/src/com/android/systemui/quicksettings/MobileNetworkTypeTile.java
	deleted:    packages/SystemUI/src/com/android/systemui/quicksettings/QuickSettingsTile.java
	deleted:    packages/SystemUI/src/com/android/systemui/quicksettings/WiFiTile.java
	deleted:    packages/SystemUI/src/com/android/systemui/statusbar/SignalClusterTextView.java
	modified:   packages/SystemUI/src/com/android/systemui/statusbar/SignalClusterView.java
	modified:   packages/SystemUI/src/com/android/systemui/statusbar/phone/PhoneStatusBar.java
	deleted:    packages/SystemUI/src/com/android/systemui/statusbar/phone/QuickSettingsController.java
	modified:   packages/SystemUI/src/com/android/systemui/statusbar/policy/BatteryController.java
	modified:   packages/SystemUI/src/com/android/systemui/statusbar/policy/BluetoothController.java
	deleted:    packages/SystemUI/src/com/android/systemui/statusbar/policy/CircleBattery.java
	modified:   packages/SystemUI/src/com/android/systemui/statusbar/policy/Clock.java
	deleted:    packages/SystemUI/src/com/android/systemui/statusbar/policy/DockBatteryController.java
	modified:   packages/SystemUI/src/com/android/systemui/statusbar/policy/NetworkController.java