RFR: 8287338: tools/javac/api/snippets/TestJavaxToolsSnippets.java failing tier1 on all platforms

[Pavel Rappo]

This fixes tier1 failures caused by JDK-8279513. Test results pending.

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Commit messages:
 - Initial commit

Changes: https://git.openjdk.java.net/jdk/pull/8890/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk&pr=8890&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8287338
  Stats: 2 lines in 1 file changed: 0 ins; 0 del; 2 mod
  Patch: https://git.openjdk.java.net/jdk/pull/8890.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/8890/head:pull/8890

PR: https://git.openjdk.java.net/jdk/pull/8890