api-impl: misc additions for Oeffi

src/api-impl/android/net/NetworkInfo.java

@@ -10,6 +10,8 @@ public class NetworkInfo {
 		UNKNOWN
 	}
 
+	public enum DetailedState {}
+
 	private State state = State.DISCONNECTED;
 
 	public NetworkInfo(boolean available) {
@@ -51,4 +53,16 @@ public class NetworkInfo {
 	public boolean isAvailable () {
 		return false;
 	}
+
+	public DetailedState getDetailedState() {
+		return null;
+	}
+
+	public String getExtraInfo() {
+		return null;
+	}
+
+	public String getReason() {
+		return null;
+	}
 }