[BUG] [Java Service]"English (Unknown Script)" is shown as displayName for Language-NumberTypeRegion format's locale "en-001".

Describe the bug
commit: c7afc3bee93563af3c7073adfdd5cbd9b584ca0e
"English (Unknown Script)" is shown as displayName when locale is "en-001".
Similar behavior on below locale: language-territory(number format) and locale isn't in languages.json file.
example: en-150

To Reproduce
Steps to reproduce the behavior:

1. Put a json file with name: messages_en-001.json in VMwareVIPLocale&1.0.0 bundles.
2. Request its displayname with "http://serviceip:8091/i18n/api/v2/locale/supportedLanguageList?displayLanguage=en&productName=VMwareVIPLocale&version=1.0.0"

 {
        "languageTag": "en-001",
        "displayName": "English (Unknown Script)",
        "displayName_sentenceBeginning": "English (Unknown Script)",
        "displayName_uiListOrMenu": "English (Unknown Script)",
        "displayName_standalone": "English (Unknown Script)"
      },

Expected behavior
"English (World)" should be the displayName of "en-001".
"World" is from https://github.com/unicode-cldr/cldr-localenames-full/blob/master/main/en/territories.json