RFR: 8328005: Convert java/awt/im/JTextFieldTest.java applet test to main [v5]

[Damon Nguyen]

> Convert java/awt/im/JTextFieldTest.java applet test to main using PassFailJFrame.

Damon Nguyen has updated the pull request incrementally with one additional commit since the last revision:

  Review comments

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Changes:
  - all: https://git.openjdk.org/jdk/pull/18247/files
  - new: https://git.openjdk.org/jdk/pull/18247/files/c27b6139..3aa7b0f2

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=18247&range=04
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=18247&range=03-04

  Stats: 3 lines in 1 file changed: 0 ins; 1 del; 2 mod
  Patch: https://git.openjdk.org/jdk/pull/18247.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/18247/head:pull/18247

PR: https://git.openjdk.org/jdk/pull/18247