Android P自动确定时区代码流程
根据字符自动确定时区查找到Setting中对应的字符packages/apps/Settings/res/values-zh-rCN/strings.xml: <string name="zone_auto" msgid="334783869352026648">"自动确定时区"</string>而后可以知道其对应的文件是：packages/apps/Settings/res
