Revert "Revert "[FE 1.0] Provide an API to clean compile time initializer cache for variable descriptor""

This reverts commit faeb5d21ab.

compiler/resolution/src/org/jetbrains/kotlin/resolve/calls/util/FakeCallableDescriptorForObject.kt

@@ -65,6 +65,8 @@ open class FakeCallableDescriptorForObject(
 
     override fun getCompileTimeInitializer() = null
 
+    override fun cleanCompileTimeInitializerCache() {}
+
     override fun getSource(): SourceElement = classDescriptor.source
 
     override fun isConst(): Boolean = false