git: openjdk/mobile: 8230854: Cleanup SuppressWarnings in test lib and remove noisy traces in StreamPumper

[duke]

Changeset: 75e8b6ed
Author:    Christoph Langer <clanger at openjdk.org>
Date:      2019-09-16 09:28:54 +0000
URL:       https://github.com/openjdk/mobile/commit/75e8b6ed

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