JDK-8346981 removed jdk.internal.objectweb.asm packages from java.base

This broke JITTester build:

$ make COMPILE
...
src/jdk/test/lib/jittester/visitors/ByteCodeVisitor.java:37: error: package org.objectweb.asm does not exist
import org.objectweb.asm.ClassWriter;
                        ^
src/jdk/test/lib/jittester/visitors/ByteCodeVisitor.java:38: error: package org.objectweb.asm does not exist
import org.objectweb.asm.FieldVisitor;
                        ^
src/jdk/test/lib/jittester/visitors/ByteCodeVisitor.java:39: error: package org.objectweb.asm does not exist
import org.objectweb.asm.Label;
...
100 errors
7 warnings
only showing the first 100 errors, of 323 total; use -Xmaxerrs if you would like to see more
make: *** [Makefile:102: COMPILE] Error 1