camera3: Remove BufferQueue::MIN_UNDEQUEUED_BUFFERS references

Change-Id: I4730ac7849e915e88d3b8fc8aa869f53a8242501
diff --git a/services/camera/libcameraservice/device3/Camera3ZslStream.h b/services/camera/libcameraservice/device3/Camera3ZslStream.h
index c7f4490..6721832 100644
--- a/services/camera/libcameraservice/device3/Camera3ZslStream.h
+++ b/services/camera/libcameraservice/device3/Camera3ZslStream.h
@@ -37,10 +37,10 @@
         public Camera3OutputStream {
   public:
     /**
-     * Set up a ZSL stream of a given resolution. Depth is the number of buffers
+     * Set up a ZSL stream of a given resolution. bufferCount is the number of buffers
      * cached within the stream that can be retrieved for input.
      */
-    Camera3ZslStream(int id, uint32_t width, uint32_t height, int depth);
+    Camera3ZslStream(int id, uint32_t width, uint32_t height, int bufferCount);
     ~Camera3ZslStream();
 
     virtual void     dump(int fd, const Vector<String16> &args) const;