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Feature Request
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What would you like to see us add to this API?


Issue report
----------------
What steps will reproduce the problem? Please provide a link to a
demonstration page if at all possible, or attach code.

1. Using Android emulator, mock location enabled in the Developer Options.

2. The following code example have the correct location in the location variable and set the mockLocation with the data.
There is no error or exception in the log file, but mock location doesn't appear on the Maps Preview.

val locationManager = getSystemService(LOCATION_SERVICE) as LocationManager
        try {
            locationManager.addTestProvider(TEST_LOCATION_PROVIDER_NAME,false, false,
                false, false, false, true, true,
                ProviderProperties.POWER_USAGE_LOW, ProviderProperties.ACCURACY_COARSE)
            locationManager.setTestProviderEnabled(TEST_LOCATION_PROVIDER_NAME, true)
        } catch (se: SecurityException) {
            Log.e(LOG_TAG, "Not allowed operate as a test location provider")
            throw se
        }


fun receiveLocations(locationManager: LocationManager) {
        Log.d(LOG_TAG, "Start receiving locations")

        try {
            asyncStub.startLocation(Empty.getDefaultInstance()).collect { location ->
                Log.d(LOG_TAG, "Received location $location")
                try {
                    val mockLocation = Location(TEST_LOCATION_PROVIDER_NAME)
                    mockLocation.latitude = location.latitude.toDouble()
                    mockLocation.longitude = location.longitude.toDouble()
                    mockLocation.altitude = 5.0
                    mockLocation.time = System.currentTimeMillis()
                    mockLocation.accuracy = 3F
                    mockLocation.speed = 0.01F
                    mockLocation.bearing = 1F
                    mockLocation.elapsedRealtimeNanos = location.unixEpochTimeMs
                    locationManager.setTestProviderLocation(TEST_LOCATION_PROVIDER_NAME, mockLocation)

                } catch (se: SecurityException) {
                    Log.e(LOG_TAG, "Not allowed to set test location")
                    throw se
                }
            }
        } catch (e: StatusException) {
            Log.e(LOG_TAG, "Error requesting locations: $e")
        }
    }

3. Can you please suggest how we can see mock location on the maps.