RFR: 8330534: Update nsk/jdwp tests to use driver instead of othervm

[Leonid Mesnik]

The jdwp tests use debugger and debugee. There is no goal to execute debugger part with all VM flags, they are needed to be used with debugee VM only.
The change is all tests is to don't use System.exit() and use 'driver' instead of othervm.
test/hotspot/jtreg/vmTestbase/nsk/share/jpda/DebugeeBinder.java
is updated to correctly set classpath for debugee

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Commit messages:
 - 8330534: Update nsk/jdwp tests to use driver instead of othervm

Changes: https://git.openjdk.org/jdk/pull/18826/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=18826&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8330534
  Stats: 824 lines in 219 files changed: 342 ins; 0 del; 482 mod
  Patch: https://git.openjdk.org/jdk/pull/18826.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/18826/head:pull/18826

PR: https://git.openjdk.org/jdk/pull/18826