RFR: 8330535: Update nsk/jdb tests to use driver instead of othervm [v2]

[Leonid Mesnik]

> The nsk/jdb tests updated to use driver instead of othervm. The nsk/share/jdb code updated to set correct classpath and  throw Exceptions instead of exit.
> 
> Testing by running tests with different flags and in different CI modes.
> 
> The 'shouldPass()' might be changed to throw SkippedException but I am going to do this separately.

Leonid Mesnik has updated the pull request incrementally with one additional commit since the last revision:

  fixed exception

-------------

Changes:
  - all: https://git.openjdk.org/jdk/pull/20518/files
  - new: https://git.openjdk.org/jdk/pull/20518/files/23bbe47e..0d5b9494

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=20518&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=20518&range=00-01

  Stats: 2 lines in 1 file changed: 0 ins; 1 del; 1 mod
  Patch: https://git.openjdk.org/jdk/pull/20518.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/20518/head:pull/20518

PR: https://git.openjdk.org/jdk/pull/20518