Quick fix renamed: ChangePrivateTopLevelToInternal --> IncreaseVisibility

idea/testData/quickfix/increaseVisibility/privateTopLevelFunInFile.before.Main.kt

@@ -0,0 +1,8 @@
+// "Make f internal" "true"
+// ERROR: Cannot access 'f': it is 'private' in file
+
+package test
+
+fun foo() {
+    val x = <caret>f()
+}