Force a sync point for end-of build event handler force
the build's outcome status commit, to resolve a race
condition with the build completion takedown.
[YOCTO #14765]
(Bitbake rev: f76c13536e19d2401365c0fc240ef8dbcb3ee7e8)
Signed-off-by: David Reyna <David.Reyna@windriver.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>