7019718: make error reporting flags product instead of diagnostic

Summary: see synopsis
Reviewed-by: acorn, coleenp

src/share/vm/runtime/globals.hpp

@@ -3658,10 +3658,10 @@ class CommandLineFlags {
   manageable(bool, PrintConcurrentLocks, false,                             \
           "Print java.util.concurrent locks in thread dump")                \
                                                                             \
-  diagnostic(bool, TransmitErrorReport, false,                              \
+  product(bool, TransmitErrorReport, false,                                 \
           "Enable error report transmission on erroneous termination")      \
                                                                             \
-  diagnostic(ccstr, ErrorReportServer, NULL,                                \
+  product(ccstr, ErrorReportServer, NULL,                                   \
           "Override built-in error report server address")                  \
                                                                             \
   /* Shared spaces */                                                       \