Distinguish zh_CN/zh_TW by Locale country and script #236
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In CountryCodePicker::getCCPLanguageFromLocale(), currentLocale.getLanguage is not enough to distinguish between Chinese Simplified/Traditional because both have code 'zh' in Language Enum.
Before API 19, there are only two Locale zh_CN / zh_TW, so country is enough to make decision.
After API 19 following Locale options is added:
zh__#Hans,zh_CN_#Hans,zh_HK_#Hans,zh_MO_#Hans,zh_SG_#Hans,zh__#Hant,zh_HK_#Hant,zh_MO_#Hant,zh_TW_#Hant.
Take Hong Kong as an example, it has both Hans and Hant, which stand for Simplified and Traditional respectively, so country is no longer enough, and script part is more accurate.
If other language translations added in the future have same kind of conflict, specifying country and script in Language Enum should work as well.