Analysis API: adapt to KtCall data model change

Also add API to check if a `KtFunctionSymbol` is the invoke function on
a Kotlin builtin functional type.

analysis/analysis-api/testData/symbols/symbolByPsi/outerAndInnerClasses.descriptors.txt

@@ -187,6 +187,7 @@ KtFunctionSymbol:
   annotationsList: []
   callableIdIfNonLocal: /X.foo
   hasStableParameterNames: true
+  isBuiltinFunctionInvoke: false
   isExtension: false
   isExternal: false
   isInfix: false