RFR: 8286855: javac error on invalid jar should only print filename

[Christoph Langer]

As was suggested in the [review for JDK-8286444](https://github.com/openjdk/jdk/pull/8616#discussion_r873099812), javac should always print the filename only, when encountering a ZipException.

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Commit messages:
 - JDK-8286855

Changes: https://git.openjdk.java.net/jdk/pull/8900/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk&pr=8900&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8286855
  Stats: 1 line in 1 file changed: 0 ins; 0 del; 1 mod
  Patch: https://git.openjdk.java.net/jdk/pull/8900.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/8900/head:pull/8900

PR: https://git.openjdk.java.net/jdk/pull/8900