battery light: Use config_multicolorled overlay to set battery led color

for RGB we have no issue, any color can be used
for single color led better use white for all battery levels
this ensure that led will turn on in any case

Change-Id: I2a0dfecec69aa4ce8cacdd0e4101c6aa13d42131

services/core/java/com/android/server/BatteryService.java

@@ -341,6 +341,13 @@ public void update() {
                     != Settings.Global.ZEN_MODE_OFF;
             mLowBatteryBlinking = Settings.System.getInt(resolver,
                     Settings.System.BATTERY_LIGHT_LOW_BLINKING, 0) == 1;
+
+	// Use overlay to set default color for battery led
+	// for RGB we have no issue, any color can be used
+	// for single color led better use white for all battery levels
+	// this ensure that led will turn on in any case
+
+        if(mMultiColorLed) {
             mBatteryLowARGB = Settings.System.getInt(resolver,
                     Settings.System.BATTERY_LIGHT_LOW_COLOR, 0xFFFF0000);
             mBatteryMediumARGB = Settings.System.getInt(resolver,
@@ -349,7 +356,16 @@ public void update() {
                     Settings.System.BATTERY_LIGHT_FULL_COLOR, 0xFFFFFF00);
             mBatteryReallyFullARGB = Settings.System.getInt(resolver,
                     Settings.System.BATTERY_LIGHT_REALLYFULL_COLOR, 0xFF00FF00);
-
+	} else {
+            mBatteryLowARGB = Settings.System.getInt(resolver,
+                    Settings.System.BATTERY_LIGHT_LOW_COLOR, 0xFFFFFFFF);
+            mBatteryMediumARGB = Settings.System.getInt(resolver,
+                    Settings.System.BATTERY_LIGHT_MEDIUM_COLOR, 0xFFFFFFFF);
+            mBatteryFullARGB = Settings.System.getInt(resolver,
+                    Settings.System.BATTERY_LIGHT_FULL_COLOR, 0xFFFFFFFF);
+            mBatteryReallyFullARGB = Settings.System.getInt(resolver,
+                    Settings.System.BATTERY_LIGHT_REALLYFULL_COLOR, 0xFFFFFFFF);
+	}
             updateLed();
         }
     }