Added SM-G960F to the list of known physical devices (#18966)

Samsung Galaxy S9 is not an emulator and installation of
the release packages with 'flutter run --release' should be possible.

packages/flutter_tools/lib/src/android/android_device.dart

@@ -39,6 +39,7 @@ const Map<String, _HardwareType> _knownHardware = <String, _HardwareType>{
   'samsungexynos7870': _HardwareType.physical,
   'samsungexynos8890': _HardwareType.physical,
   'samsungexynos8895': _HardwareType.physical,
+  'samsungexynos9810': _HardwareType.physical,
 };
 
 class AndroidDevices extends PollingDeviceDiscovery {