Merge
8164608: [TESTBUG] compiler/profiling tests fail to compileReviewed-by: ctornqvi
8164737: Remove Unsafe dependency from ProcessToolsReviewed-by: gtriantafill, dholmes
8157957: ClassNotFoundException: jdk.test.lib.JDKToolFinderReviewed-by: coleenp, gtriantafill, mseledtsov, iignatyev, dholmes, dsamersoff