hg: jdk/jdk: 8209003: Consolidate use of empty collections in java.lang.module

[claes.redestad at oracle.com]

Changeset: a19fda433921
Author:    redestad
Date:      2018-08-07 23:08 +0200
URL:       http://hg.openjdk.java.net/jdk/jdk/rev/a19fda433921

8209003: Consolidate use of empty collections in java.lang.module
Reviewed-by: alanb, mchung

! src/java.base/share/classes/java/lang/Module.java
! src/java.base/share/classes/java/lang/ModuleLayer.java
! src/java.base/share/classes/java/lang/module/Configuration.java
! src/java.base/share/classes/java/lang/module/ModuleDescriptor.java
! src/java.base/share/classes/java/lang/module/ModuleFinder.java
! src/java.base/share/classes/jdk/internal/module/Builder.java
! src/java.base/share/classes/jdk/internal/module/ExplodedSystemModules.java
! src/java.base/share/classes/jdk/internal/module/ModuleBootstrap.java
! src/java.base/share/classes/jdk/internal/module/ModuleInfo.java
! src/java.base/share/classes/jdk/internal/module/ModulePatcher.java
! src/java.base/share/classes/jdk/internal/module/ModulePath.java
! src/java.base/share/classes/jdk/internal/module/ServicesCatalog.java
! src/java.base/share/classes/jdk/internal/module/SystemModuleFinders.java
! test/jdk/java/lang/module/ModuleDescriptorTest.java