RFR: JDK-6229853: BasicTextAreaUI:create incompletely documents the possible returned View types [v2]

[Prasanta Sadhukhan]

> API specification says about BasicTextAreaUI.create "Returns a WrappedPlainView or PlainView". 
> But for [bidi](https://github.com/openjdk/jdk/blob/d14e96d9701dae951aa365029f58afb6687a646a/src/java.desktop/share/classes/javax/swing/plaf/basic/BasicTextAreaUI.java#L168) text, this method returns BoxView and other views , so the documentation needs to be updated.

Prasanta Sadhukhan has updated the pull request incrementally with one additional commit since the last revision:

  javadoc fix

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Changes:
  - all: https://git.openjdk.org/jdk/pull/10376/files
  - new: https://git.openjdk.org/jdk/pull/10376/files/940ed013..a690529b

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=10376&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=10376&range=00-01

  Stats: 5 lines in 2 files changed: 0 ins; 2 del; 3 mod
  Patch: https://git.openjdk.org/jdk/pull/10376.diff
  Fetch: git fetch https://git.openjdk.org/jdk pull/10376/head:pull/10376

PR: https://git.openjdk.org/jdk/pull/10376