hg: jdk/jdk: 8196748: tools/jar tests need to tolerate unrelated warnings

[xueming.shen at oracle.com]

Changeset: 48452579de86
Author:    sherman
Date:      2018-03-13 00:22 -0700
URL:       http://hg.openjdk.java.net/jdk/jdk/rev/48452579de86

8196748: tools/jar tests need to tolerate unrelated warnings
Reviewed-by: dholmes

! test/jdk/tools/jar/LeadingGarbage.java
! test/jdk/tools/jar/modularJar/Basic.java
! test/jdk/tools/jar/multiRelease/ApiValidatorTest.java
! test/jdk/tools/jar/multiRelease/Basic.java
! test/lib/jdk/test/lib/process/OutputAnalyzer.java