[jdk11u-dev] RFR: 8328561: test java/awt/Robot/ManualInstructions/ManualInstructions.java isn't used

[Andrew Lu]

I backport this for parity with 11.0.25-oracle.

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Commit messages:
 - Backport bc546c21a59d2481ba86f98d0d653c7691f68d4c

Changes: https://git.openjdk.org/jdk11u-dev/pull/2735/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk11u-dev&pr=2735&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8328561
  Stats: 328 lines in 1 file changed: 0 ins; 328 del; 0 mod
  Patch: https://git.openjdk.org/jdk11u-dev/pull/2735.diff
  Fetch: git fetch https://git.openjdk.org/jdk11u-dev.git pull/2735/head:pull/2735

PR: https://git.openjdk.org/jdk11u-dev/pull/2735