8180885: Create test to detect if TimeZone.setDefault affects File.setLastModifiedTime
Summary: Check whether File.lastModified is affected by not setting the default time zone or by setting to any of the available time zones.
Reviewed-by: dfuchs, rriggs
^build/
^dist/
^.idea/
nbproject/private/
^webrev
^.src-rev$
^.jib/
.DS_Store
.metadata/
.recommenders/