hg: jdk/sandbox: 8216170: java.lang.IllegalArgumentException: directories not supported

[chris.hegarty at oracle.com]

Changeset: db24a4cb8139
Author:    jjg
Date:      2019-02-21 15:17 -0800
URL:       http://hg.openjdk.java.net/jdk/sandbox/rev/db24a4cb8139

8216170: java.lang.IllegalArgumentException: directories not supported
Reviewed-by: hannesw

! src/jdk.javadoc/share/classes/jdk/javadoc/internal/tool/JavadocTool.java
+ test/langtools/jdk/javadoc/doclet/testJavaPackage/TestJavaPackage.java