Make Battery History chart non selectable

- ... because it should not be selectable

See bug: #13140648 Settings needs to support the new Quantum Paper theme

Change-Id: I625d1533991623f5c3897be15ccfa48fd0fc02f8

src/com/android/settings/fuelgauge/BatteryHistoryPreference.java

@@ -47,6 +47,8 @@ public class BatteryHistoryPreference extends Preference {
         setLayoutResource(R.layout.preference_batteryhistory);
         mStats = stats;
         mBatteryBroadcast = batteryBroadcast;
+        // Make it non selectable
+        setSelectable(false);
     }
 
     BatteryStats getStats() {