[jdk15u-dev] Integrated: 8259343: [macOS] Update JNI error handling in Cocoa code.

[Vladimir Kempik]

Important prerequest of JNF removal pacthes, patch 4/8
Applies cleanly

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Commit messages:
 - Backport d6a2105b5c9b44c04cac7385756ec9924c1310ab

Changes: https://git.openjdk.java.net/jdk15u-dev/pull/10/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk15u-dev&pr=10&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8259343
  Stats: 75 lines in 8 files changed: 60 ins; 1 del; 14 mod
  Patch: https://git.openjdk.java.net/jdk15u-dev/pull/10.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk15u-dev pull/10/head:pull/10

PR: https://git.openjdk.java.net/jdk15u-dev/pull/10