hg: jdk9/sandbox/jdk: 8067471: Use private static final char[0] for empty Strings

[chris.hegarty at oracle.com]

Changeset: c60cf8acabb2
Author:    lpriima
Date:      2015-01-14 21:35 +0300
URL:       http://hg.openjdk.java.net/jdk9/sandbox/jdk/rev/c60cf8acabb2

8067471: Use private static final char[0] for empty Strings
Reviewed-by: igerasim, redestad, shade

! src/java.base/share/classes/java/lang/String.java