remove compiler warning

Author: Mihail Slavchev

build-artifacts/project-template-gradle/src/main/java/com/tns/NativeScriptUncaughtExceptionHandler.java

@@ -58,7 +58,7 @@ public void uncaughtException(Thread thread, Throwable ex)
 		boolean res = false;
 
 		if (AndroidJsDebugger.isDebuggableApp(context)) {
-			Class ErrReport = null;
+			Class<?> ErrReport = null;
 			java.lang.reflect.Method startActivity = null;
 
 			try {