syncbase/src/main/AndroidManifest.xml

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
          package="io.v.v23.android" >
    <!-- Request the USE_CREDENTIALS permission for Android login if targeting version <= 22.
         See: https://developer.android.com/reference/android/accounts/AccountManager.html -->
    <uses-permission
        android:name="android.permission.USE_CREDENTIALS"
        android:maxSdkVersion="22" />
</manifest>