bitbake: bitbake: toaster: Wait for toaster gui to come

Set logging level for the Toaster logger to get messages
to toaster_ui.log

Reverted previous workaround.

[YOCTO: #7965]

(Bitbake rev: f1d8e0ff7233f17cff3a56db10d2443b392b407d)

Signed-off-by: Ed Bartosh <ed.bartosh@linux.intel.com>
Signed-off-by: Alexandru DAMIAN <alexandru.damian@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

bitbake/lib/bb/ui/toasterui.py

@@ -74,6 +74,7 @@ def main(server, eventHandler, params ):
     bb.msg.addDefaultlogFilter(console)
     console.setFormatter(format)
     logger.addHandler(console)
+    logger.setLevel(logging.INFO)
 
     includelogs, loglines, consolelogfile = _log_settings_from_server(server)
 

bitbake/lib/toaster/bldcontrol/localhostbecontroller.py

@@ -139,7 +139,7 @@ class LocalhostBEController(BuildEnvironmentController):
             with open(filepath, "r") as f:
                 f.seek(filepos)
                 for line in f:
-                    if line.startswith("Bitbake server started on demand"):
+                    if line.startswith("NOTE: ToasterUI waiting for events"):
                         return True
             return False