JBR-4169 add jdk.javadoc into JBR

jb/project/tools/common/modules.list

@@ -31,6 +31,7 @@ jdk.httpserver,
 jdk.internal.ed,
 jdk.internal.le,
 jdk.internal.vm.ci,
+jdk.javadoc,
 jdk.jdi,
 jdk.jdwp.agent,
 jdk.jfr,

test/jdk/jb/build/CheckDocLintTest.java

@@ -0,0 +1,54 @@
+/*
+ * Copyright 2000-2022 JetBrains s.r.o.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+
+/*
+ * @test
+ * @summary regression test for JBR-4169 add the module jdk.javadoc
+ * @run main CheckDocLintTest
+ */
+
+public class CheckDocLintTest {
+
+    static final String CLASS_NAMES[] = {
+            "jdk.javadoc.internal.doclint.DocLint",
+            "com.sun.tools.doclint.DocLint"
+    };
+
+    public static void main(String[] args) {
+        Class<?> klass;
+        boolean failed = false;
+        for (String klassName : CLASS_NAMES)
+            try {
+                klass = Class.forName(klassName);
+                System.out.println(klass + " exists");
+            } catch(ClassNotFoundException e) {
+                System.out.println("*** " + klassName + " does not exist");
+                failed = true;
+            }
+        if (failed) {
+            throw new RuntimeException("Test failed");
+        }
+        System.out.println("Test passed");
+    }
+}