Add support to query through DrmInfoRequest::TYPE_REGISTRATION_INFO to check if a device is provisioned.

Includes Widevine lib version: 4.5.0.5781 AES BR_PYTHON2

Change-Id: Id5e673b97e3ec80532e2d7f42aae687adfecc765
related-to-bug: 5152997

proprietary/samplePlayer/src/com/widevine/demo/VideoPlayerView.java

@@ -54,7 +54,11 @@ public class VideoPlayerView extends Activity {
         width = display.getWidth();
         context = this;
         contentView = createView();
-        setContentView(contentView);
+        if (drm.isProvisionedDevice()) {
+            setContentView(contentView);
+        } else {
+            setContentView(R.layout.notprovisioned);
+        }
     }
 
     @Override
@@ -91,6 +95,7 @@ public class VideoPlayerView extends Activity {
 
         logs = new TextView(this);
         drm.setLogListener(drmLogListener);
+        drm.registerPortal(WidevineDrm.Settings.PORTAL_NAME);
 
         scrollView = new ScrollView(this);
         scrollView.addView(logs);