healthd: Add support for HVDCP_3 chargers

HVDCP_3 is a high voltage DCP charger where the charger's voltage
can be changed by issuing pulses on the D+/D- lines. Add support to
recognize it and treat it as an AC power source.

Change-Id: Ib719529904e8b7a676bbdc5f5953f0f9da6df3fa
diff --git a/healthd/BatteryMonitor.cpp b/healthd/BatteryMonitor.cpp
index 8abdf90..214aeff 100644
--- a/healthd/BatteryMonitor.cpp
+++ b/healthd/BatteryMonitor.cpp
@@ -244,6 +244,7 @@
             {"USB", BatteryMonitor::ANDROID_POWER_SUPPLY_TYPE_USB},
             {"USB_DCP", BatteryMonitor::ANDROID_POWER_SUPPLY_TYPE_AC},
             {"USB_HVDCP", BatteryMonitor::ANDROID_POWER_SUPPLY_TYPE_AC},
+            {"USB_HVDCP_3", BatteryMonitor::ANDROID_POWER_SUPPLY_TYPE_AC},
             {"USB_CDP", BatteryMonitor::ANDROID_POWER_SUPPLY_TYPE_AC},
             {"USB_ACA", BatteryMonitor::ANDROID_POWER_SUPPLY_TYPE_AC},
             {"USB_C", BatteryMonitor::ANDROID_POWER_SUPPLY_TYPE_AC},