hg: jdk/sandbox: REPURPOSE OF BRANCH: Fix remaining warnings. Here: failurehandler.

[magnus.ihse.bursie at oracle.com]

Changeset: 0f02e8e6daa1
Author:    ihse
Date:      2020-04-20 11:31 +0200
URL:       https://hg.openjdk.java.net/jdk/sandbox/rev/0f02e8e6daa1

REPURPOSE OF BRANCH: Fix remaining warnings. Here: failurehandler.

! make/test/BuildFailureHandler.gmk
! test/failure_handler/src/share/classes/jdk/test/failurehandler/jtreg/GatherProcessInfoTimeoutHandler.java
! test/failure_handler/src/share/classes/jdk/test/failurehandler/value/ValueHandler.java