Camera NDK library: capture session implementation

Bug: 23012001
Change-Id: I3fd93205dcf1b9ed5a947cb944919eb531f219fc
diff --git a/include/camera/camera2/CaptureRequest.h b/include/camera/camera2/CaptureRequest.h
index eeab217..1dd15c4 100644
--- a/include/camera/camera2/CaptureRequest.h
+++ b/include/camera/camera2/CaptureRequest.h
@@ -25,7 +25,7 @@
 
 class Surface;
 
-struct CaptureRequest : public virtual RefBase {
+struct CaptureRequest : public RefBase {
 public:
 
     CameraMetadata          mMetadata;