[BUG] [Java Service]Other elements beside of language/script/region/variant are not displayed in supportedLanguageList API.

Describe the bug
commit: c7afc3bee93563af3c7073adfdd5cbd9b584ca0e
Other elements beside of language/script/region/variant are not displayed in supportedLanguageList API.

To Reproduce
Steps to reproduce the behavior:

1. Put a json file with name: messages_en-Latn-GB-fonipa-scouse.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-Latn-GB-fonipa-scouse",
        "displayName": "English (Latin, United Kingdom)",
        "displayName_sentenceBeginning": "English (Latin, United Kingdom)",
        "displayName_uiListOrMenu": "English (Latin, United Kingdom)",
        "displayName_standalone": "English (Latin, United Kingdom)"
      },

Expected behavior
Should get the other elements displayed:

{
        "languageTag": "en-Latn-GB-fonipa-scouse",
        "displayName": "English (Latin, United Kingdom, Computer, IPA Phonetics, Scouse)",
        "displayName_sentenceBeginning": "English (Latin, United Kingdom, Computer, IPA Phonetics, Scouse)",
        "displayName_uiListOrMenu": "English (Latin, United Kingdom, Computer, IPA Phonetics, Scouse)",
        "displayName_standalone": "English (Latin, United Kingdom, Computer, IPA Phonetics, Scouse)"
      },