hg: jdk/sandbox: 8193842: Replace Files.copy(InputStream, OutputStream) with InputStream.transferTo(OutputStream)

[chris.hegarty at oracle.com]

Changeset: 315c690bb90b
Author:    bpb
Date:      2017-12-20 08:05 -0800
URL:       http://hg.openjdk.java.net/jdk/sandbox/rev/315c690bb90b

8193842: Replace Files.copy(InputStream,OutputStream) with InputStream.transferTo(OutputStream)
Reviewed-by: clanger, alanb

! src/java.base/share/classes/java/nio/file/Files.java