Correct visibility for non-public SAM-adapters

compiler/testData/diagnostics/tests/syntheticExtensions/samAdapters/Protected.kt

@@ -0,0 +1,24 @@
+// FILE: KotlinFile.kt
+package k
+
+import JavaClass
+
+fun foo(javaClass: JavaClass) {
+    javaClass.<!INVISIBLE_MEMBER!>doSomething<!> <!TYPE_MISMATCH!>{
+        bar()
+    }<!>
+}
+
+class X : JavaClass() {
+    fun foo(other: JavaClass) {
+        doSomething { bar() }
+        other.doSomething { bar() } // currently not flagged as error - see KT-8654
+    }
+}
+
+fun bar(){}
+
+// FILE: JavaClass.java
+public class JavaClass {
+    protected void doSomething(Runnable runnable) { runnable.run(); }
+}