Adjust for VibrationDevice

Xamarin.Essentials/Xamarin.Essentials.csproj

@@ -73,6 +73,9 @@
   </ItemGroup>
   <ItemGroup Condition=" $(TargetFramework.StartsWith('uap10.0')) ">
     <PackageReference Include="Microsoft.NETCore.UniversalWindowsPlatform" Version="6.1.5" />
+    <SDKReference Include="WindowsMobile, Version=10.0.16299.0">
+      <Name>Windows Mobile Extensions for the UWP</Name>
+    </SDKReference>
     <Compile Include="**\*.uwp.cs" />
     <Compile Include="**\*.uwp.*.cs" />
   </ItemGroup>