RFR: 8289612: Change hotspot/jtreg tests to not use Thread.stop [v2]

[Leonid Mesnik]

> The tests are updated to don't use Thread.stop(). Tests whose intention is to verify async exception updated to use jvmti StopThread.

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

  runtime/Thread fixes

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Changes:
  - all: https://git.openjdk.org/jdk/pull/9505/files
  - new: https://git.openjdk.org/jdk/pull/9505/files/d2150550..88a6f539

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=9505&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=9505&range=00-01

  Stats: 109 lines in 5 files changed: 4 ins; 98 del; 7 mod
  Patch: https://git.openjdk.org/jdk/pull/9505.diff
  Fetch: git fetch https://git.openjdk.org/jdk pull/9505/head:pull/9505

PR: https://git.openjdk.org/jdk/pull/9505