RFR: 8362335: [macos] Change value of CFBundleDevelopmentRegion from "English" to "en-US"

[Alexander Matveev]

After some consideration value of CFBundleDevelopmentRegion will be set to "en-US" (default documented valued) from "English" (not valid value based on documentation). Even if this option is set to default it was not removed for easy customization. CLI options is not added, since it is unclear how often end user need to override this value. CLI option might be considered if users needs to update CFBundleDevelopmentRegion more often.

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Commit messages:
 - 8362335: [macos] Change value of CFBundleDevelopmentRegion from "English" to "en-US"

Changes: https://git.openjdk.org/jdk/pull/26949/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=26949&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8362335
  Stats: 3 lines in 3 files changed: 0 ins; 0 del; 3 mod
  Patch: https://git.openjdk.org/jdk/pull/26949.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/26949/head:pull/26949

PR: https://git.openjdk.org/jdk/pull/26949