feat(ndt_scan_matcher): detect loss PCD

[anhnv3991]

Description

In map update module, add a timeout period (currently 10 msec) when wait for pcd loader client. After the timeout period, if there is no response from the client, output a warning message and drop the update.

Tests performed

Not applicable.

Effects on system behavior

None.

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[anhnv3991]

@Motsu-san @YamatoAndo @SakodaShintaro I made a draft here to discuss the functionalities of this PR. This PR is made for the task "Detect PCD Map not input".
My idea is quite simple: in NDT scan matcher, to detect if there are something wrong with the maps when dynamic loading maps, the following steps are performed in map update module.

1. On start-up, map_update_module sends a request to the pcd loader client to request the PCD metadata. After that, map_update_module carries a copy of the PCD metadata.
2. When dynamic load maps, map_update_module sends a request to the pcd loader client (as usual). While waiting for the response, map_update_module computes the list of maps to add/remove by itself (similar to the DifferentialMapLoaderModule::differentialAreaLoad). This process should be lightweight, and since it overlaps with the wait for response from the client, it should produces no significant latency at all.
3. After receiving a response from the pcd loader client, we compare the list of maps to add/remove by map_update_module with the response from the client. From this comparison, we can detect the loss of PCDs.

Could you guys please let me know your thought on this implementation?