RFR: 8303198: System and Runtime.exit() resilience to logging errors

[Roger Riggs]

Consolidate logging and handle exceptions by printing to standard error and ignoring the exception.
Exceptions while logging will not interfere with Runtime.exit.

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Commit messages:
 - Consolidate logging and handle exceptions by printing to standard error

Changes: https://git.openjdk.org/jdk/pull/12770/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=12770&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8303198
  Stats: 73 lines in 2 files changed: 46 ins; 7 del; 20 mod
  Patch: https://git.openjdk.org/jdk/pull/12770.diff
  Fetch: git fetch https://git.openjdk.org/jdk pull/12770/head:pull/12770

PR: https://git.openjdk.org/jdk/pull/12770