BTrace based tracer plugins do not work with GraalJS

[thurka]

BTrace based tracer plugins do not work with GraalJS.

[likeablePanda]

If nothing else so that it shows in a google search-- would this be why i get this stacktrace when i try to sample or profile?
java.lang.NullPointerException: Cannot invoke "org.graalvm.visualvm.lib.ui.swing.ProfilerTable.getActionMap()" because "table" is null at org.graalvm.visualvm.lib.ui.swing.SearchUtils.enableSearchActions(SearchUtils.java:188) at org.graalvm.visualvm.lib.ui.results.DataView$1.run(DataView.java:64) at java.desktop/java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:316) at java.desktop/java.awt.EventQueue.dispatchEventImpl(EventQueue.java:770) at java.desktop/java.awt.EventQueue$4.run(EventQueue.java:721) at java.desktop/java.awt.EventQueue$4.run(EventQueue.java:715) at java.base/java.security.AccessController.doPrivileged(AccessController.java:391) at java.base/java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:85) at java.desktop/java.awt.EventQueue.dispatchEvent(EventQueue.java:740) at org.netbeans.core.TimableEventQueue.dispatchEvent(TimableEventQueue.java:136) [catch] at java.desktop/java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:203) at java.desktop/java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:124) at java.desktop/java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:113) at java.desktop/java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:109) at java.desktop/java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:101) at java.desktop/java.awt.EventDispatchThread.run(EventDispatchThread.java:90)

[thurka]

Done, except GH-351.