hg: jdk9/dev/langtools: 8079191: remove remaining references to "cp -p" from langtools/test

[jonathan.gibbons at oracle.com]

Changeset: a28b7f42dae9
Author:    jjg
Date:      2015-04-30 17:35 -0700
URL:       http://hg.openjdk.java.net/jdk9/dev/langtools/rev/a28b7f42dae9

8079191: remove remaining references to "cp -p" from langtools/test
Reviewed-by: vromero

! test/tools/javac/Paths/Diagnostics.sh
! test/tools/javac/Paths/MineField.sh