RFR: 8301622: ProcessTools.java compilation gets ThreadDeath deprecation warning [v2]

[Afshin Zafari]

> ### Description
> The use of `ThreadDeath` is replaced with checking the exception be of type `Error` and the thread is `TERMINATED`.
> 
> 
> ### Test
> local and mach5 tier1

Afshin Zafari has updated the pull request incrementally with one additional commit since the last revision:

  8301622: ProcessTools.java compilation gets ThreadDeath deprecation warning

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Changes:
  - all: https://git.openjdk.org/jdk/pull/12827/files
  - new: https://git.openjdk.org/jdk/pull/12827/files/c03cd8f8..473b7cff

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=12827&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=12827&range=00-01

  Stats: 3 lines in 1 file changed: 0 ins; 3 del; 0 mod
  Patch: https://git.openjdk.org/jdk/pull/12827.diff
  Fetch: git fetch https://git.openjdk.org/jdk pull/12827/head:pull/12827

PR: https://git.openjdk.org/jdk/pull/12827