hg: jdk/sandbox: 8206122: Use Queue in place of ArrayList when need to remove first element

[chris.hegarty at oracle.com]

Changeset: 215d1a5b097a
Author:    igerasim
Date:      2018-07-12 11:32 -0700
URL:       http://hg.openjdk.java.net/jdk/sandbox/rev/215d1a5b097a

8206122: Use Queue in place of ArrayList when need to remove first element
Reviewed-by: martin, jjg, vromero

! src/jdk.compiler/share/classes/com/sun/tools/javac/api/JavacTaskPool.java
! src/jdk.compiler/share/classes/com/sun/tools/javac/comp/Analyzer.java