test_onroad: ignore first few ui timing frames (#36385)

clean up

selfdrive/test/test_onroad.py

@@ -206,7 +206,8 @@ class TestOnroad:
     result += "-------------- UI Draw Timing ------------------\n"
     result += "------------------------------------------------\n"
 
-    ts = self.ts['uiDebug']['drawTimeMillis']
+    # skip first few frames -- connecting to vipc
+    ts = self.ts['uiDebug']['drawTimeMillis'][10:]
     result += f"min  {min(ts):.2f}ms\n"
     result += f"max  {max(ts):.2f}ms\n"
     result += f"std  {np.std(ts):.2f}ms\n"

selfdrive/ui/onroad/cameraview.py

@@ -68,6 +68,7 @@ else:
 class CameraView(Widget):
   def __init__(self, name: str, stream_type: VisionStreamType):
     super().__init__()
+    # TODO: implement a receiver and connect thread
     self._name = name
     # Primary stream
     self.client = VisionIpcClient(name, stream_type, conflate=True)