RFR: 8282060: RemoteRuntimeImageTest is not actually testing on JDK 8

[Athijegannathan Sundararajan]

This test requires jdk8 to be available while running jdk tests. But JDK8_HOME is defined to be BOOT_JDK and so version check fails in the test. The test vacuously passes just printing a message. There are already tests that exercise jrt-fs.jar on the same JDK being tested and so basic jrt-fs.jar is covered for same target JDK case.

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Commit messages:
 - 8282060: RemoteRuntimeImageTest is not actually testing on JDK 8

Changes: https://git.openjdk.java.net/jdk/pull/8547/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk&pr=8547&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8282060
  Stats: 202 lines in 3 files changed: 0 ins; 202 del; 0 mod
  Patch: https://git.openjdk.java.net/jdk/pull/8547.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/8547/head:pull/8547

PR: https://git.openjdk.java.net/jdk/pull/8547