Refine multi-file facades generation

Do not generate delegation from multi-file facade to inline-only functions
because they are effectively private in bytecode

 #KT-10858 Fixed

compiler/backend/src/org/jetbrains/kotlin/codegen/MultifileClassCodegen.kt

@@ -213,7 +213,8 @@ class MultifileClassCodegen(
             if (declaration is KtNamedFunction || declaration is KtProperty) {
                 val descriptor = state.bindingContext.get(BindingContext.DECLARATION_TO_DESCRIPTOR, declaration)
                 assert(descriptor is CallableMemberDescriptor) { "Expected callable member, was " + descriptor + " for " + declaration.text }
-                if (!Visibilities.isPrivate((descriptor as CallableMemberDescriptor).visibility)) {
+                if (!Visibilities.isPrivate((descriptor as CallableMemberDescriptor).visibility)
+                        && AsmUtil.getVisibilityAccessFlag(descriptor) != Opcodes.ACC_PRIVATE) {
                     generateCallableMemberTasks.put(descriptor, { memberCodegen.genFunctionOrProperty(declaration) })
                 }
             }