bitbake: toaster: race condition for end-of-build

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>

bitbake/lib/bb/ui/buildinfohelper.py

@@ -227,6 +227,12 @@ class ORMWrapper(object):
         build.completed_on = timezone.now()
         build.outcome = outcome
         build.save()
+
+        # We force a sync point here to force the outcome status commit,
+        # which resolves a race condition with the build completion takedown
+        transaction.set_autocommit(True)
+        transaction.set_autocommit(False)
+
         signal_runbuilds()
 
     def update_target_set_license_manifest(self, target, license_manifest_path):