healthd: Add DASH charger type

Change-Id: Ie1ca5018c465f6b2c15cbc00bdf3bb866d98ddef
diff --git a/healthd/BatteryMonitor.cpp b/healthd/BatteryMonitor.cpp
index b8bb586..4413630 100644
--- a/healthd/BatteryMonitor.cpp
+++ b/healthd/BatteryMonitor.cpp
@@ -313,6 +313,7 @@
             {"USB_PD_DRP", BatteryMonitor::ANDROID_POWER_SUPPLY_TYPE_USB},
             {"Wireless", BatteryMonitor::ANDROID_POWER_SUPPLY_TYPE_WIRELESS},
             {"Dock", BatteryMonitor::ANDROID_POWER_SUPPLY_TYPE_DOCK},
+            {"DASH", ANDROID_POWER_SUPPLY_TYPE_AC},
             {NULL, 0},
     };
     std::string buf;