RFR: 8286199: ProblemList jdk/jshell/ExternalEditorTest.java

[Roger Riggs]

Put jdk/jshell/ExternalEditorTest.java on the problem list due to 8286191.

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Commit messages:
 - 8286199: ProblemList jdk/jshell/ExternalEditorTest.java
 - 8286195: ProblemList test/lib-test/jdk/test/lib/TestMutuallyExclusivePlatformPredicates.java

Changes: https://git.openjdk.java.net/jdk/pull/8557/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk&pr=8557&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8286199
  Stats: 3 lines in 2 files changed: 2 ins; 0 del; 1 mod
  Patch: https://git.openjdk.java.net/jdk/pull/8557.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/8557/head:pull/8557

PR: https://git.openjdk.java.net/jdk/pull/8557