[meta] Add mono_type_get_name_full to public API

This is needed by Xamarin.Android to be able to round-trip with names fetched via reflection, as the only public API for this (`mono_type_get_name`) uses the IL format instead.

Fixes mono#19377

mono/metadata/class-internals.h

@@ -46,13 +46,6 @@ typedef enum {
 	MONO_WRAPPER_NUM
 } MonoWrapperType;
 
-typedef enum {
-	MONO_TYPE_NAME_FORMAT_IL,
-	MONO_TYPE_NAME_FORMAT_REFLECTION,
-	MONO_TYPE_NAME_FORMAT_FULL_NAME,
-	MONO_TYPE_NAME_FORMAT_ASSEMBLY_QUALIFIED
-} MonoTypeNameFormat;
-
 typedef enum {
 	MONO_REMOTING_TARGET_UNKNOWN,
 	MONO_REMOTING_TARGET_APPDOMAIN,
@@ -1150,9 +1143,6 @@ mono_class_get_exception_for_failure (MonoClass *klass);
 char*
 mono_identifier_escape_type_name_chars (const char* identifier);
 
-char*
-mono_type_get_name_full (MonoType *type, MonoTypeNameFormat format);
-
 char*
 mono_type_get_full_name (MonoClass *klass);
 

mono/metadata/class.h

@@ -18,6 +18,13 @@ typedef struct _MonoClassField MonoClassField;
 typedef struct _MonoProperty MonoProperty;
 typedef struct _MonoEvent MonoEvent;
 
+typedef enum {
+	MONO_TYPE_NAME_FORMAT_IL,
+	MONO_TYPE_NAME_FORMAT_REFLECTION,
+	MONO_TYPE_NAME_FORMAT_FULL_NAME,
+	MONO_TYPE_NAME_FORMAT_ASSEMBLY_QUALIFIED
+} MonoTypeNameFormat;
+
 MONO_API MONO_RT_EXTERNAL_ONLY
 MonoClass *
 mono_class_get             (MonoImage *image, uint32_t type_token);
@@ -130,6 +137,9 @@ MONO_API MONO_RT_EXTERNAL_ONLY
 void*
 mono_ldtoken               (MonoImage *image, uint32_t token, MonoClass **retclass, MonoGenericContext *context);
 
+MONO_API char *
+mono_type_get_name_full (MonoType *type, MonoTypeNameFormat format);
+
 MONO_API char*         
 mono_type_get_name         (MonoType *type);