When requesting `meta=siteinfo` for `languages|languagevariants`, Chinese language variants' outputs seem inconsistent with the desktop settings.
https://www.mediawiki.org/w/api.php?action=query&format=json&meta=siteinfo&formatversion=2&siprop=languages|languagevariants
The screenshot of the Android app using the `siteinfo` endpoint.
{F54544080}
The screenshot of the desktop `zhwiki`.
{F54544129}
The localized language names in Names.php should be updated to keep them consistent across different platforms.
https://github.com/wikimedia/mediawiki/blob/75c7d5356e71ffac5761275ce949b7fefeb579ae/includes/languages/data/Names.php#L571-L579
Current
```
'zh-cn' => '中文（中国大陆）', # Chinese (PRC)
'zh-hans' => '中文（简体）', # Mandarin Chinese (Simplified Chinese script) (cmn-hans)
'zh-hant' => '中文（繁體）', # Mandarin Chinese (Traditional Chinese script) (cmn-hant)
'zh-hk' => '中文（香港）', # Chinese (Hong Kong)
'zh-mo' => '中文（澳門）', # Chinese (Macau)
'zh-my' => '中文（马来西亚）', # Chinese (Malaysia)
'zh-sg' => '中文（新加坡）', # Chinese (Singapore)
'zh-tw' => '中文（臺灣）', # Chinese (Taiwan)
```
Proposed
```
'zh-cn' => '大陆简体', # Chinese (PRC)
'zh-hans' => '简体中文', # Mandarin Chinese (Simplified Chinese script) (cmn-hans)
'zh-hant' => '繁體中文', # Mandarin Chinese (Traditional Chinese script) (cmn-hant)
'zh-hk' => '香港繁體', # Chinese (Hong Kong)
'zh-mo' => '澳門繁體', # Chinese (Macau)
'zh-my' => '大马简体', # Chinese (Malaysia)
'zh-sg' => '新加坡简体', # Chinese (Singapore)
'zh-tw' => '臺灣正體', # Chinese (Taiwan)
```
cc @Seddon for adding the correct tags for this ticket.
cc @Amire80