android 7/9 设置默认永不休眠和添加永不休眠选项及禁止锁屏

device/qcom/msmxxx/overlay/frameworks/base/packages/SettingsProvider/res/values/defaults.xml

    2147483647 //最大休眠时间
    true //禁止锁屏

device/qcom/msmxxx/overlay/packages/apps/Settings/res/values/arrays.xml


    
       + never
        15 seconds
        30