hg: jdk/submit: 8222395: Refactor the abstract classes of package and module index writer

[priya.lakshmi.muthuswamy at oracle.com]

Changeset: 97a4b8f46a49
Author:    pmuthuswamy
Date:      2019-04-16 17:56 +0530
URL:       http://hg.openjdk.java.net/jdk/submit/rev/97a4b8f46a49

8222395: Refactor the abstract classes of package and module index writer
Reviewed-by: hannesw

- src/jdk.javadoc/share/classes/jdk/javadoc/internal/doclets/formats/html/AbstractModuleIndexWriter.java
+ src/jdk.javadoc/share/classes/jdk/javadoc/internal/doclets/formats/html/AbstractOverviewIndexWriter.java
- src/jdk.javadoc/share/classes/jdk/javadoc/internal/doclets/formats/html/AbstractPackageIndexWriter.java
! src/jdk.javadoc/share/classes/jdk/javadoc/internal/doclets/formats/html/ModuleIndexWriter.java
! src/jdk.javadoc/share/classes/jdk/javadoc/internal/doclets/formats/html/PackageIndexWriter.java
! src/jdk.javadoc/share/classes/jdk/javadoc/internal/doclets/toolkit/resources/doclets.properties