RFR: 8296733: JFR: File Read event for RandomAccessFile::write(byte[]) is incorrect

[Erik Gahlin]

The jdk.FileRead event emits an incorrect duration. This could lead to flooded buffers when using the default configuration.

Testing:  test/jdk/jdk/jfr

Thanks
Erik

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Commit messages:
 - Initial

Changes: https://git.openjdk.org/jdk/pull/11075/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=11075&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8296733
  Stats: 1 line in 1 file changed: 0 ins; 0 del; 1 mod
  Patch: https://git.openjdk.org/jdk/pull/11075.diff
  Fetch: git fetch https://git.openjdk.org/jdk pull/11075/head:pull/11075

PR: https://git.openjdk.org/jdk/pull/11075