RFR: JDK-8252075: Documentation error in LayoutManager2 interface [v3]

[Renjith Kannath Pariyangad]

> Updated the documentation with proper meaningful message for better understanding.

Renjith Kannath Pariyangad has updated the pull request with a new target base due to a merge or a rebase.

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Changes: https://git.openjdk.org/jdk/pull/10549/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=10549&range=02
  Stats: 0 lines in 0 files changed: 0 ins; 0 del; 0 mod
  Patch: https://git.openjdk.org/jdk/pull/10549.diff
  Fetch: git fetch https://git.openjdk.org/jdk pull/10549/head:pull/10549

PR: https://git.openjdk.org/jdk/pull/10549