8180004: jdk.test.lib.DynamicVMOption should be moved to jdk.test.lib.management
Reviewed-by: mseledtsov, vlivanov

8157957: ClassNotFoundException: jdk.test.lib.JDKToolFinder
Reviewed-by: coleenp, gtriantafill, mseledtsov, iignatyev, dholmes, dsamersoff

8154258: [TESTBUG] Various serviceability tests fail compilation
Summary: Replace sun.misc.Unsafe with jdk.internal.misc.Unsafe
Reviewed-by: chegar, kvn

8135198: Add -XX:VMOptionsFile support to JAVA_TOOL_OPTIONS and _JAVA_OPTIONS
Reviewed-by: dcubed, ddmitriev, ahgross, gthornbr, coleenp

8136552: Last argument wins does not work for special options with "-XX:VMOptionsFile" option
Summary: match_special_option_and_act() should insert_vm_options_file() earlier and process the inserted options right away to honor "last option wins" semantics.
Reviewed-by: dcubed, coleenp

8138769: [TESTBUG] restore lost line from JDK-8137105 fix
Reviewed-by: dcubed, rdurbin

8137105: [TESTBUG] Add test cases for VM Options file feature with removed file size limit
Summary: Update TestVMOptionsFile.java to match fix for 8135195; other minor cleanups.
Reviewed-by: dcubed, rdurbin

8073331: [TESTBUG] Test for VM option file feature (VM options specified in file)
Reviewed-by: dcubed, gtriantafill, rdurbin