[JPS] Fix incremental build after changing Java enum used in Kotlin when

EnumWhenTracker implemented for tracking changed java enum class items, that used in kotlin when expression.

#KT-47824 Fixed

core/compiler.common/src/org/jetbrains/kotlin/incremental/components/EnumWhenTracker.kt

@@ -0,0 +1,26 @@
+/*
+ * 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.incremental.components
+
+import org.jetbrains.kotlin.container.DefaultImplementation
+
+/**
+ * EnumWhenTracker is used to track Java enum classes used in Kotlin when expressions for correct build scope expansion in IC during JPS build.
+ */
+@DefaultImplementation(EnumWhenTracker.DoNothing::class)
+interface EnumWhenTracker {
+
+    /**
+     * Report Java enum class, which FqName is [enumClassFqName].
+     * This enum class is used in Kotlin file with [whenExpressionFilePath] path in when expression.
+     * Format of [enumClassFqName] class is "package.Outer$Inner"
+     */
+    fun report(whenExpressionFilePath: String, enumClassFqName: String)
+
+    object DoNothing : EnumWhenTracker {
+        override fun report(whenExpressionFilePath: String, enumClassFqName: String) {}
+    }
+}