healthd: Add DASH charger type

Change-Id: Ie1ca5018c465f6b2c15cbc00bdf3bb866d98ddef

Author: Steve Kondik

healthd/BatteryMonitor.cpp

@@ -140,6 +140,7 @@ BatteryMonitor::PowerSupplyType BatteryMonitor::readPowerSupplyType(const String
             { "USB_HVDCP_3", ANDROID_POWER_SUPPLY_TYPE_AC },
             { "Wireless", ANDROID_POWER_SUPPLY_TYPE_WIRELESS },
             { "Wipower", ANDROID_POWER_SUPPLY_TYPE_WIRELESS },
+            { "DASH", ANDROID_POWER_SUPPLY_TYPE_AC },
             { NULL, 0 },
     };