android:allowClearUserData

android.R.styleable#AndroidManifestApplication_allowClearUserData

<!-- Option to let applications specify that user data can/cannot be
         cleared. This flag is turned on by default.
         <em>This attribute is usable only by applications
         included in the system image. Third-party apps cannot use it.</em> -->
    <attr name="allowClearUserData" format="boolean" />