[Passpoint] Print home or roaming in WifiConfiguration

Print provider network home or roaming in the toString()
method of WifiConfiguration.

Bug: 149881869
Test: Verify new field is printed
Change-Id: Iddcd03435eb416bd6dc73bd0e7e32f180e0265d6

wifi/java/android/net/wifi/WifiConfiguration.java

@@ -2167,6 +2167,7 @@ public class WifiConfiguration implements Parcelable {
         sbuf.append("ID: ").append(this.networkId).append(" SSID: ").append(this.SSID).
                 append(" PROVIDER-NAME: ").append(this.providerFriendlyName).
                 append(" BSSID: ").append(this.BSSID).append(" FQDN: ").append(this.FQDN)
+                .append(" HOME-PROVIDER-NETWORK: ").append(this.isHomeProviderNetwork)
                 .append(" PRIO: ").append(this.priority)
                 .append(" HIDDEN: ").append(this.hiddenSSID)
                 .append(" PMF: ").append(this.requirePmf)