MISC_REGRESSION tests need to be more resilient to ps cmd problems

From my nightly analysis report:

New MISC_REGRESSION failures (from 2006.01.27)
    com/sun/tools/attach/BasicTests.sh
        This test failed with an "ArrayIndexOutOfBoundsException: 2"
        and a "can't access your terminal" ps(1) error on Win32 Server
        VM (machine doright).

    com/sun/tools/attach/PermissionTests.sh
        This test failed with an "ArrayIndexOutOfBoundsException: 1"
        and a "can't access your terminal" ps(1) error on Win32 Server
        VM (machine doright).

    sun/tools/jmap/Basic.sh
        This test failed with a usage message, with a "can't access
        your terminal" ps(1) error and with a "FileNotFoundException:
        java_pid.hprof" on Win32 Server VM (machine doright).

    sun/tools/jstack/Basic.sh
        This test failed with a usage message and with a "can't access
        your terminal" ps(1) error on Win32 Server VM (machine doright).