Track libcore commit cf86f3319e738c76c5e97ad95bb8a4e30654a787 (part 2)

Bug: 27960078
Change-Id: I74709bc8a2543ceb54ad3cf2c3018f175ff20e24
(cherry picked from commit c2a708596ff37cb01499a8a5a82af038baa85463)
1 file changed