[Qcom GPS] BearingAccuracyDeg should not be 0 when inaccurate (#28989)

change bearingAccuracyDeg from 0 to 180 deg, when invalid

system/sensord/rawgps/rawgpsd.py

@@ -359,7 +359,7 @@ def main() -> NoReturn:
       gps.source = log.GpsLocationData.SensorSource.qcomdiag
       gps.vNED = vNED
       gps.verticalAccuracy = report["q_FltVdop"]
-      gps.bearingAccuracyDeg = report["q_FltHeadingUncRad"] * 180/math.pi
+      gps.bearingAccuracyDeg = report["q_FltHeadingUncRad"] * 180/math.pi if (report["q_FltHeadingUncRad"] != 0) else 180
       gps.speedAccuracy = math.sqrt(sum([x**2 for x in vNEDsigma]))
       # quectel gps verticalAccuracy is clipped to 500, set invalid if so
       gps.flags = 1 if gps.verticalAccuracy != 500 else 0