Make ACCESS_THEME_MANAGER permission system|signature

     <permission android:name="android.permission.ACCESS_THEME_MANAGER"

         android:label="@string/permlab_accessThemeService"

         android:description="@string/permdesc_accessThemeService"

         android:protectionLevel="signature" />

         android:protectionLevel="system|signature" />

     <!-- Allows an application to read the current theme configuration and

          get information about the various themes currently installed