hg: jigsaw/jake/jdk: Change InstalledModules::modules() returns an array for startup perf

[mandy.chung at oracle.com]

Changeset: 3016d4219a82
Author:    redestad
Date:      2016-02-05 21:56 -0800
URL:       http://hg.openjdk.java.net/jigsaw/jake/jdk/rev/3016d4219a82

Change InstalledModules::modules() returns an array for startup perf

! src/java.base/share/classes/java/lang/module/InstalledModuleFinder.java
! src/java.base/share/classes/jdk/internal/module/InstalledModules.java
! src/jdk.jlink/share/classes/jdk/tools/jlink/internal/plugins/InstalledModuleDescriptorPlugin.java