hg: jdk9/sandbox/jdk: 8068599: Add mutability, serializability, and thread-safety, caveat to all Collectors that do not accept a Collection supplier

[chris.hegarty at oracle.com]

Changeset: 71a8a36c96f4
Author:    chegar
Date:      2015-01-13 17:14 +0000
URL:       http://hg.openjdk.java.net/jdk9/sandbox/jdk/rev/71a8a36c96f4

8068599: Add mutability, serializability, and thread-safety, caveat to all Collectors that do not accept a Collection supplier
Reviewed-by: psandoz

! src/java.base/share/classes/java/util/stream/Collectors.java