RFR: JDK-8292067 Convert test/sun/management/jmxremote/bootstrap shell tests to java version

[Bill Huang]

This task convert 3 shell tests below to java version. 
test/sun/management/jmxremote/bootstrap/RmiBootstrapTest.sh test/sun/management/jmxremote/bootstrap/RmiSslBootstrapTest.sh 
test/sun/management/jmxremote/bootstrap/RmiSslNoKeyStoreTest.sh

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Commit messages:
 - Coverted RmiBootstrapTest, RmiSslBootstrapTest and RmiSslNoKeyStoreTest to java version

Changes: https://git.openjdk.org/jdk/pull/9973/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=9973&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8292067
  Stats: 1607 lines in 9 files changed: 641 ins; 604 del; 362 mod
  Patch: https://git.openjdk.org/jdk/pull/9973.diff
  Fetch: git fetch https://git.openjdk.org/jdk pull/9973/head:pull/9973

PR: https://git.openjdk.org/jdk/pull/9973