RFR: 8264633: Add missing logging to PlatformRecording#stop

[Denghui Dong]

small fix to add logging to the catch block in PlatformRecording#stop

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Commit messages:
 - 8264633: Add missing logging to PlatformRecording#stop

Changes: https://git.openjdk.java.net/jdk/pull/3319/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk&pr=3319&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8264633
  Stats: 3 lines in 1 file changed: 2 ins; 0 del; 1 mod
  Patch: https://git.openjdk.java.net/jdk/pull/3319.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/3319/head:pull/3319

PR: https://git.openjdk.java.net/jdk/pull/3319