RFR: 8294321: Fix typos in files under test/jdk/java, test/jdk/jdk, test/jdk/jni

[Jaikiran Pai]

Can I please get a review of this change which fixes the typos in the test packages? @mernst submitted this as a separate PR https://github.com/openjdk/jdk/pull/10029 but given the number of areas and files that other PR touches, the progress has been stalled.

I'll raise separate PRs in the other remaining areas from that other PR.

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Commit messages:
 - 8294321: Fix typos in files under test/jdk/java, test/jdk/jdk, test/jdk/jni

Changes: https://git.openjdk.org/jdk/pull/11385/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=11385&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8294321
  Stats: 21 lines in 20 files changed: 0 ins; 0 del; 21 mod
  Patch: https://git.openjdk.org/jdk/pull/11385.diff
  Fetch: git fetch https://git.openjdk.org/jdk pull/11385/head:pull/11385

PR: https://git.openjdk.org/jdk/pull/11385