Use the the system's DeviceType for the generic input profile

The generic input profile has the device::UknomnType enumeraton. This
PR changes it by the one provided by Android.

app/src/openxr/cpp/OpenXRInputSource.cpp

@@ -701,7 +701,10 @@ void OpenXRInputSource::Update(const XrFrameState& frameState, XrSpace localSpac
 
     delegate.SetLeftHanded(mIndex, mHandeness == OpenXRHandFlags::Left);
     delegate.SetTargetRayMode(mIndex, device::TargetRayMode::TrackedPointer);
-    delegate.SetControllerType(mIndex, mActiveMapping->controllerType);
+    if (mActiveMapping->controllerType == device::UnknownType)
+        delegate.SetControllerType(mIndex, DeviceUtils::GetDeviceTypeFromSystem(false));
+    else
+        delegate.SetControllerType(mIndex, mActiveMapping->controllerType);
 
     // Spaces must be created here, it doesn't work if they are created in Initialize (probably a OpenXR SDK bug?)
     if (mGripSpace == XR_NULL_HANDLE) {