bitbake: hob: don't display interruptions as fails

When Hob receives a bb.command.CommandFailed event, it should check if
it's a log kind of information.
"Forced shutdown" and "Stopped build" are messages that show when a build
is not complete, but Hob considered them error.

[HOB #5609]

(Bitbake rev: ea1939f7ec8d8a71ce16a60c251c2413d7d91eb3)

Signed-off-by: Irina Patru <irina.patru@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

bitbake/lib/bb/ui/crumbs/hobeventhandler.py

@@ -250,7 +250,8 @@ class HobHandler(gobject.GObject):
             self.current_phase = None
             self.run_next_command()
         elif isinstance(event, bb.command.CommandFailed):
-            self.error_msg += event.error
+            if event.error not in ("Forced shutdown", "Stopped build"):
+                self.error_msg += event.error
             self.commands_async = []
             self.display_error()
         elif isinstance(event, (bb.event.ParseStarted,