fetch macaddr right after supplicant connection

Bug: 3072163
Change-Id: I13466e3bc73a1a95d42faf17650fad4383f7e5b2

wifi/java/android/net/wifi/WifiStateTracker.java

@@ -840,9 +840,15 @@ public class WifiStateTracker extends NetworkStateTracker {
         switch (msg.what) {
             case EVENT_SUPPLICANT_CONNECTION:
                 mRunState = RUN_STATE_RUNNING;
+                String macaddr;
                 synchronized (this) {
                     updateBatteryWorkSourceLocked(null);
+                    macaddr = WifiNative.getMacAddressCommand();
                 }
+                if (macaddr != null) {
+                    mWifiInfo.setMacAddress(macaddr);
+                }
+
                 checkUseStaticIp();
                 /* Reset notification state on new connection */
                 resetNotificationTimer();