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-impl-base/src/org/jetbrains/kotlin/analysis/api/impl/base/util/functionUtils.kt

@@ -0,0 +1,17 @@
+/*
+ * Copyright 2010-2021 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
+ */
+
+package org.jetbrains.kotlin.analysis.api.impl.base.util
+
+import org.jetbrains.kotlin.builtins.StandardNames
+import org.jetbrains.kotlin.name.CallableId
+import org.jetbrains.kotlin.util.OperatorNameConventions
+
+val kotlinFunctionInvokeCallableIds = (0..23).flatMapTo(hashSetOf()) { arity ->
+    listOf(
+        CallableId(StandardNames.getFunctionClassId(arity), OperatorNameConventions.INVOKE),
+        CallableId(StandardNames.getSuspendFunctionClassId(arity), OperatorNameConventions.INVOKE)
+    )
+}