Merge pull request #16604 from Volskig:mp/ocv-gapi-zero-height-mat

G-API: Zero-height mat is cause of crash

* Added check for zero-height Mat case

* Refactoring, added validate_input_arg func

* No bool function now

modules/gapi/src/compiler/gcompiled.cpp

@@ -56,6 +56,7 @@ void cv::GCompiled::Priv::checkArgs(const cv::gimpl::GRuntimeArgs &args) const
                                            "for different metadata!"));
         // FIXME: Add details on what is actually wrong
     }
+    validate_input_args(args.inObjs);
 }
 
 bool cv::GCompiled::Priv::canReshape() const