This PR reverts JDK-8276687, which has caused tier1 test failures. -------------
Commit messages: - 8295320: [BACKOUT] 8276687 Remove support for JDK 1.4.1 PerfData shared memory files Changes: https://git.openjdk.org/jdk/pull/10711/files Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=10711&range=00 Issue: https://bugs.openjdk.org/browse/JDK-8295320 Stats: 80 lines in 3 files changed: 73 ins; 1 del; 6 mod Patch: https://git.openjdk.org/jdk/pull/10711.diff Fetch: git fetch https://git.openjdk.org/jdk pull/10711/head:pull/10711 PR: https://git.openjdk.org/jdk/pull/10711
