hg: jdk/jdk: 8193553: Provide better guidance on using javax.lang.model visitors

[joe.darcy at oracle.com]

Changeset: cf96533fd215
Author:    darcy
Date:      2020-02-25 17:50 -0800
URL:       https://hg.openjdk.java.net/jdk/jdk/rev/cf96533fd215

8193553: Provide better guidance on using javax.lang.model visitors
Reviewed-by: jjg

! src/java.compiler/share/classes/javax/lang/model/element/AnnotationValueVisitor.java
! src/java.compiler/share/classes/javax/lang/model/element/ElementVisitor.java
! src/java.compiler/share/classes/javax/lang/model/type/TypeVisitor.java