<AWT Dev> RFR: 8254850: Update terminology in java.awt.GridBagLayout source code comments [v2]

[Phil Race]

> This is part of an effort in the JDK to replace archaic/non-inclusive words with more neutral terms.
> See JDK-8253315 for details.
>  
> This updates a few comments in GridBagLayout to use the terms parent and child which are
> sufficiently descriptive and consistent with lots of other usages.

Phil Race has updated the pull request incrementally with one additional commit since the last revision:

  8254850: Update terminology in java.awt.GridBagLayout source code comments

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Changes:
  - all: https://git.openjdk.java.net/jdk/pull/1784/files
  - new: https://git.openjdk.java.net/jdk/pull/1784/files/60eeff05..612972db

Webrevs:
 - full: https://webrevs.openjdk.java.net/?repo=jdk&pr=1784&range=01
 - incr: https://webrevs.openjdk.java.net/?repo=jdk&pr=1784&range=00-01

  Stats: 1 line in 1 file changed: 0 ins; 0 del; 1 mod
  Patch: https://git.openjdk.java.net/jdk/pull/1784.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/1784/head:pull/1784

PR: https://git.openjdk.java.net/jdk/pull/1784