8005639: Move InlineSynchronizedMethods flag from develop to product

Summary: Move InlineSynchronizedMethods flag from develop to product
Reviewed-by: kvn, vladidan
Contributed-by: NAlexander Harlap <alexander.harlap@oracle.com>

src/share/vm/c1/c1_globals.hpp

@@ -147,7 +147,7 @@
           "Inline methods containing exception handlers "                   \
           "(NOTE: does not work with current backend)")                     \
                                                                             \
-  develop(bool, InlineSynchronizedMethods, true,                            \
+  product(bool, InlineSynchronizedMethods, true,                            \
           "Inline synchronized methods")                                    \
                                                                             \
   develop(bool, InlineNIOCheckIndex, true,                                  \