[TESTBUG] NoClassDefFoundError: jdk/test/lib/Platform with compiler tests

Test: compiler/jsr292/PollutedTrapCounts.java

java.lang.NoClassDefFoundError: jdk/test/lib/Platform
at jdk.test.lib.JDKToolFinder.getTool(JDKToolFinder.java:97)
at jdk.test.lib.JDKToolFinder.getJDKTool(JDKToolFinder.java:45)
at jdk.test.lib.process.ProcessTools.createJavaProcessBuilder(ProcessTools.java:324)
at jdk.test.lib.process.ProcessTools.createJavaProcessBuilder(ProcessTools.java:311)
at compiler.jsr292.PollutedTrapCounts.main(PollutedTrapCounts.java:44)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:563)
at com.sun.javatest.regtest.agent.MainWrapper$MainThread.run(MainWrapper.java:115)
at java.base/java.lang.Thread.run(Thread.java:844)
Caused by: java.lang.ClassNotFoundException: jdk.test.lib.Platform
at java.base/jdk.internal.loader.BuiltinClassLoader.loadClass(BuiltinClassLoader.java:553)
at java.base/jdk.internal.loader.ClassLoaders$AppClassLoader.loadClass(ClassLoaders.java:185)
at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:486)
... 11 more