add OOMKilled failure reason to build

Author: Jan Wozniak

build/v1/consts.go

@@ -84,6 +84,9 @@ const (
 	// range of build failures.
 	StatusReasonGenericBuildFailed StatusReason = "GenericBuildFailed"
 
+	// StatusReasonOOMKilled indicates that the build pod was killed for its memory consumption
+	StatusReasonOOMKilled StatusReason = "OOMKilled"
+
 	// StatusCannotRetrieveServiceAccount is the reason associated with a failure
 	// to look up the service account associated with the BuildConfig.
 	StatusReasonCannotRetrieveServiceAccount StatusReason = "CannotRetrieveServiceAccount"