1 - User of CTS code needs to edit configuration files in 2 "src/android/drm/cts/configs/" according to the specification 3 of user's DRM plug-in. 4 - If new plug-in is added, user should add corresponding configuration 5 file under "src/android/drm/cts/configs/" and update 6 "src/android/drm/cts/ConfigFactory.java". 7