J2K: convert protected member used outside of inheritors as public

j2k/testData/fileOrElement/protected/severalInheritors.java

@@ -0,0 +1,16 @@
+package test;
+
+public class BaseProtectedConstructor {
+    protected void foo() {
+
+    }
+}
+
+class MiddleSamePackage extends BaseProtectedConstructor {
+}
+
+class DerivedSamePackage extends MiddleSamePackage {
+    void usage() {
+        foo();
+    }
+}