7054345: Support version 52.0 class file in HotSpot

Summary: Accept classfiles with major version 52
Reviewed-by: coleenp, acorn

src/share/vm/classfile/classFileParser.cpp

@@ -67,7 +67,7 @@
 
 #define JAVA_CLASSFILE_MAGIC              0xCAFEBABE
 #define JAVA_MIN_SUPPORTED_VERSION        45
-#define JAVA_MAX_SUPPORTED_VERSION        51
+#define JAVA_MAX_SUPPORTED_VERSION        52
 #define JAVA_MAX_SUPPORTED_MINOR_VERSION  0
 
 // Used for two backward compatibility reasons: