Bulk Operation

JDK-8211290 double check if JAXP have other candidates for top-level test library

JDK-8211290 move jaxp.library.SimpleHttpServer and testlibrary/java/util/jar/SimpleHttpServer.java to top-level

JDK-8211290 Move testlibrary/jdk/testlibrary/SimpleSSLContext.java and testkeys to network testlibrary

JDK-8211290 move testlibrary tests into one place

JDK-8211290 move testlibrary/ModuleTargetHelper.java closer to tests

JDK-8211290 move testlibrary/jdk/testlibrary/OptimalCapacity.java to top-level library

JDK-8211290 move test/jdk/lib/testlibrary/java/util/jar/*.java to top-level library or a local library

JDK-8211290 move testlibrary/java/util/jar/JarBuilder.java to top-level library

JDK-8211290 remove testlibrary/java/util/jar/Compiler.java

JDK-8211290 Move security/cacerts/VerifyCACerts.java and security/CheckBlacklistedCerts.java

JDK-8211290 move ModuleUtils to top-level testlibrary

JDK-8211290 move ExtendedRobot closer to tests