Ignore files created by prefs subsystem when checking if source runtime contains the same files as packed runtime.
------------- Commit messages: - 8258293: tools/jpackage/share/RuntimePackageTest.java#id0 with RuntimePackageTest.testUsrInstallDir2 Changes: https://git.openjdk.java.net/jdk16/pull/31/files Webrev: https://webrevs.openjdk.java.net/?repo=jdk16&pr=31&range=00 Issue: https://bugs.openjdk.java.net/browse/JDK-8258293 Stats: 5 lines in 1 file changed: 4 ins; 0 del; 1 mod Patch: https://git.openjdk.java.net/jdk16/pull/31.diff Fetch: git fetch https://git.openjdk.java.net/jdk16 pull/31/head:pull/31 PR: https://git.openjdk.java.net/jdk16/pull/31
