RFR: 8268165: AsyncLogging will crash if rotate() fails

[Xin Liu]

8268165: AsyncLogging will crash if rotate() fails

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Commit messages:
 - 8268165: AsyncLogging will crash if rotate() fails

Changes: https://git.openjdk.java.net/jdk/pull/4332/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk&pr=4332&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8268165
  Stats: 26 lines in 1 file changed: 19 ins; 4 del; 3 mod
  Patch: https://git.openjdk.java.net/jdk/pull/4332.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/4332/head:pull/4332

PR: https://git.openjdk.java.net/jdk/pull/4332