Properly filter OpenXR providers

Author: keveleigh

Assets/MRTK/Providers/OpenXR/Scripts/OpenXRDeviceManager.cs

@@ -17,7 +17,8 @@ namespace Microsoft.MixedReality.Toolkit.XRSDK.OpenXR
     [MixedRealityDataProvider(
         typeof(IMixedRealityInputSystem),
         (SupportedPlatforms)(-1),
-        "OpenXR XRSDK Device Manager")]
+        "OpenXR XRSDK Device Manager",
+        supportedUnityXRPipelines: SupportedUnityXRPipelines.XRSDK)]
     public class OpenXRDeviceManager : XRSDKDeviceManager
     {
         /// <summary>

Assets/MRTK/Providers/OpenXR/Scripts/OpenXREyeGazeDataProvider.cs

@@ -20,7 +20,8 @@ namespace Microsoft.MixedReality.Toolkit.XRSDK.OpenXR
         (SupportedPlatforms)(-1),
         "OpenXR XRSDK Eye Gaze Provider",
         "Profiles/DefaultMixedRealityEyeTrackingProfile.asset", "MixedRealityToolkit.SDK",
-        true)]
+        true,
+        SupportedUnityXRPipelines.XRSDK)]
     public class OpenXREyeGazeDataProvider : BaseInputDeviceManager, IMixedRealityEyeGazeDataProvider, IMixedRealityEyeSaccadeProvider, IMixedRealityCapabilityCheck
     {
         /// <summary>