CDL mismatched watchdog timeout types

[jeremyg-lunarg]

The CDL layer allows you to set negative values for Watchdog timeout (ms) (BETA), but I think the minimum should be 1
The type in the vkconfig field appears to be an int, but CDL appears to use it as an uint64
If you set a negative value you then get an error:

LAYER SETTING (watchdog_timeout_ms) error: The data provided (-1) is not a UINT64 value.

It looks like the schema supports an int_range feature which should be used to fix this.

[christophe-lunarg]

You can set:

                                    "type": "INT",
                                    "default": 1024,
                                    "range": {
                                        "min": 128,
                                        "max": 1048576
                                    },

JSON doesn't support UINT