Camera: delete zsl stream for video mode

Change-Id: I9ebfe0cb7376092c6ecd71e5c1c5058947282a5f
diff --git a/services/camera/libcameraservice/api1/Camera2Client.cpp b/services/camera/libcameraservice/api1/Camera2Client.cpp
index df3b162..d511f92 100644
--- a/services/camera/libcameraservice/api1/Camera2Client.cpp
+++ b/services/camera/libcameraservice/api1/Camera2Client.cpp
@@ -790,6 +790,8 @@
             return res;
         }
         outputStreams.push(getZslStreamId());
+    } else {
+        mZslProcessor->deleteStream();
     }
 
     outputStreams.push(getPreviewStreamId());