git: openjdk/mobile: 8243154: Fix deprecation warnings in failure handler

[duke]

Changeset: e8dfd8ce
Author:    Magnus Ihse Bursie <ihse at openjdk.org>
Date:      2020-04-20 13:37:38 +0000
URL:       https://git.openjdk.java.net/mobile/commit/e8dfd8ce

8243154: Fix deprecation warnings in failure handler

Reviewed-by: dholmes

! 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