Rename Type.* to type_java.*

We'll soon have type_cpp variations on these files, and a more
generic type.h

Bug: 24303749
Test: Compiles, unittests

Change-Id: I64f45efa3553f1a46d2d16d6652eedd6b324b2e4
diff --git a/generate_java.cpp b/generate_java.cpp
index 868783c..98f93bc 100644
--- a/generate_java.cpp
+++ b/generate_java.cpp
@@ -4,8 +4,8 @@
 #include <stdlib.h>
 #include <string.h>
 
-#include "Type.h"
 #include "code_writer.h"
+#include "type_java.h"
 
 namespace android {
 namespace aidl {