Although the race condition described in I04ac36ea5 is real, in a Lucene
environment it is largely theoretical and hasn't been the cause of
actual bugreports. At any rate, it's always been an issue with the
change index, and is not a regression in 2.15. Disable the check for
now, to give us time to investigate without blocking a new release.
Bug: Issue 8582
Change-Id: Ia0478b5541ac0442d2aa53e33c2dae09bf0c262d
(cherry picked from commit b7da0764e9)
a37ba6fc0b