Deprecate PrintVMQWaitTime to prepare for its removal

Summary

Deprecate the PrintVMQWaitTime product flag and remove it in a subsequent release.

Problem

PrintVMQWaitTime is a legacy logging flag that provides a single piece of not very useful information.

Solution

Deprecate the PrintVMQWaitTime product flag and remove it in a subsequent release.

Specification

Update the flag description to show it is deprecated:

  product(bool, PrintVMQWaitTime, false,                                    \
-          "Print out the waiting time in VM operation queue")               \
+          "(Deprecated) Print out the waiting time in VM operation queue")  \

Add the flag to the deprecated flag table to deprecate in 15, obsolete in 16 and remove in 17:

+  { "PrintVMQWaitTime",             JDK_Version::jdk(15), JDK_Version::jdk(16), JDK_Version::jdk(17) },