<i18n dev> RFR: 8295239: Refactor java/util/Formatter/Basic script into a Java native test launcher [v9]

[Justin Lu]

> Issue: Formatter unit tests are launched via basic.sh
> 
> Fix: Replace basic.sh with a Java test launcher
> 
> Note: Java.internal.math was included in the original configuration of Basic, but I removed it as it was not used within the Basic unit tests 
> 
> 
> Original output on success
> <img src="https://user-images.githubusercontent.com/67398801/195936541-bc90db50-8d03-47be-9c4f-95176b19a6a7.png" width="350" height="350">
> 
> 
> New output on success
> <img src="https://user-images.githubusercontent.com/67398801/195936558-f85f4d48-dae2-4c38-aa50-46ef47db3d89.png" width="350" height="450">

Justin Lu has updated the pull request incrementally with one additional commit since the last revision:

  Additional cleanup and string formatting

-------------

Changes:
  - all: https://git.openjdk.org/jdk/pull/10715/files
  - new: https://git.openjdk.org/jdk/pull/10715/files/00c32ee2..56eae09a

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=10715&range=08
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=10715&range=07-08

  Stats: 19 lines in 2 files changed: 5 ins; 2 del; 12 mod
  Patch: https://git.openjdk.org/jdk/pull/10715.diff
  Fetch: git fetch https://git.openjdk.org/jdk pull/10715/head:pull/10715

PR: https://git.openjdk.org/jdk/pull/10715