Why does my Android manifest have a permission group called Cost_Money

[Android Central Question]

<manifest
versionCode="23"
versionName="6.0.1"
package="touchwiz"
platformBuildVersionCode="23"
platformBuildVersionName="6.0.1">
<uses-sdk
minSdkVersion="23"
targetSdkVersion="23"/>
<permission-group name=".permission-group.COST_MONEY"/>
<uses-permission name=".permission.INTERACT_ACROSS_USERS"/>
<uses-permission name=".permission.MANAGE_USERS"/>
<uses-permission name="com.sec.android.app.twdvfs.DVFS_BOOSTER_PERMISSION"/>
<application
allowClearUserData="false"
hasCode="false"
persistent="true"
process="system"/>
</manifest>