Fix JNI name mangling function so it works for service and action subtypes

For example, 'example_interfaces/srv/AddTwoInts_Request' should be mangled to 'example_1interfaces_srv_AddTwoInts_1Request'.

Signed-off-by: Jacob Perron <[email protected]>

Author: jacobperron

rosidl_generator_java/rosidl_generator_java/__init__.py

@@ -204,4 +204,4 @@ def get_jni_signature(type_):
 def get_jni_mangled_name(fully_qualified_name):
     # JNI name mangling:
     # https://docs.oracle.com/javase/8/docs/technotes/guides/jni/spec/design.html#resolving_native_method_names
-    return fully_qualified_name[0].replace('_', '_1') + '_' + '_'.join(fully_qualified_name[1:])
+    return '_'.join(list(map(lambda name: name.replace('_', '_1'), fully_qualified_name)))