hg: jdk/sandbox: 8230854: Cleanup SuppressWarnings in test lib and remove noisy traces in StreamPumper

[chris.hegarty at oracle.com]

Changeset: d003b3ef8b60
Author:    clanger
Date:      2019-09-16 09:28 +0200
URL:       https://hg.openjdk.java.net/jdk/sandbox/rev/d003b3ef8b60

8230854: Cleanup SuppressWarnings in test lib and remove noisy traces in StreamPumper
Reviewed-by: stuefe, dholmes

! test/lib/jdk/test/lib/Platform.java
! test/lib/jdk/test/lib/Utils.java
! test/lib/jdk/test/lib/process/ProcessTools.java
! test/lib/jdk/test/lib/process/StreamPumper.java