Add onCameraDisconnected camera event.

webrtc/api/androidtests/src/org/webrtc/CameraVideoCapturerTestFixtures.java

Index: webrtc/api/androidtests/src/org/webrtc/CameraVideoCapturerTestFixtures.java
diff --git a/webrtc/api/androidtests/src/org/webrtc/CameraVideoCapturerTestFixtures.java b/webrtc/api/androidtests/src/org/webrtc/CameraVideoCapturerTestFixtures.java
index 9d424bb8a6d76f7311499c4a1b5b715c8ea238fb..299114fe9e830b0099de1bd49a71221627ed35b2 100644
--- a/webrtc/api/androidtests/src/org/webrtc/CameraVideoCapturerTestFixtures.java
+++ b/webrtc/api/androidtests/src/org/webrtc/CameraVideoCapturerTestFixtures.java
@@ -196,6 +196,9 @@ class CameraVideoCapturerTestFixtures {
     }
 
     @Override
+    public void onCameraDisconnected() {}
+
+    @Override
     public void onCameraFreezed(String errorDescription) {
       synchronized (onCameraFreezedLock) {
         onCameraFreezedDescription = errorDescription;