Add fingerprint for bug #1375108

This bug has 131 hits with 88 of them on FAILED jobs. Normally we prefer
fingerprints that have 100% failure rates but although this doesn't it
looks like a new stacktrace and fits with the time frame that bug
1375108 was filed.

Started somewhere on 27th or 28th (we lost logstash data for that
time frame)

Change-Id: I98edc7c6aa1f0f4860282c88d942601b66661ec4
Related-Bug: #1375108
Merge "Add fingerprint for bug #1375108"