8171142: jdk_rmi registry test fail to clean up on failure
Reviewed-by: rriggs, dholmes

8169658: TESTBUG: javax/rmi tests have undeclared dependencies
Reviewed-by: rriggs

8169736: Mark RmiIiopReturnValueTest.java as intermittently failing
Reviewed-by: lancea

8136930: Simplify use of module-system options by custom launchers
Reviewed-by: alanb, ksrini, henryjen, sundar

8146975: NullPointerException in IIOPInputStream.inputClassFields
Reviewed-by: chegar, rriggs, coffeys