hg: jdk9/dev/langtools: 8172220: Mark UserInputTest.java as intermittently failing and problem list it

[joe.darcy at oracle.com]

Changeset: 3fee06edc58e
Author:    darcy
Date:      2017-01-05 11:02 -0800
URL:       http://hg.openjdk.java.net/jdk9/dev/langtools/rev/3fee06edc58e

8172220: Mark UserInputTest.java as intermittently failing and problem list it
Reviewed-by: jlahoda

! test/ProblemList.txt
! test/jdk/jshell/UserInputTest.java