Add FailCommitException to autoloader

Bug: 65054
Change-Id: I1a0c722203daaac27a18e8625388999b92090604
(cherry picked from commit 7af92b5b76dddea842a336beb1b9b2fbb43bd3da)
Merge "Add FailCommitException to autoloader" into wmf/1.24wmf4