RFR: 8289608: Change com/sun/jdi tests to not use Thread.suspend/resume

[Leonid Mesnik]

There are 2 tests that should be deleted. They test Thread.suspend/resume and don't have a sense if these functions don't work.

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

Commit messages:
 - 8289608: Change com/sun/jdi tests to not use Thread.suspend/resume

Changes: https://git.openjdk.org/jdk/pull/10255/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=10255&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8289608
  Stats: 354 lines in 3 files changed: 0 ins; 354 del; 0 mod
  Patch: https://git.openjdk.org/jdk/pull/10255.diff
  Fetch: git fetch https://git.openjdk.org/jdk pull/10255/head:pull/10255

PR: https://git.openjdk.org/jdk/pull/10255