[jdk25] RFR: 8361640: JFR: RandomAccessFile::readLine emits events for each character

[Erik Gahlin]

8361640: JFR: RandomAccessFile::readLine emits events for each character

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Commit messages:
 - Backport 9bef2d1610647dec18f9e81cbac3dddbbf99dd6d

Changes: https://git.openjdk.org/jdk/pull/26349/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=26349&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8361640
  Stats: 17 lines in 1 file changed: 15 ins; 0 del; 2 mod
  Patch: https://git.openjdk.org/jdk/pull/26349.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/26349/head:pull/26349

PR: https://git.openjdk.org/jdk/pull/26349