Auto merge of #23878 - jdm:gst-arm64, r=asajeffrey

Fix ARM64 app startup

I missed a DLL in the ARM64 app configuration, so currently it fails to start up. With this change I verified that https://joshmatthews.net/osc.html and https://joshmatthews.net/mp3.html produce audio output on a Windows arm64 laptop.

---
- [x] `./mach build -d` does not report any errors
- [x] `./mach test-tidy` does not report any errors
- [x] These changes do not require tests because no windows arm64 CI.

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support/hololens/ServoApp/ServoApp.vcxproj

@@ -82,7 +82,7 @@
     <GenerateAppInstallerFile>False</GenerateAppInstallerFile>
     <AppxAutoIncrementPackageRevision>False</AppxAutoIncrementPackageRevision>
     <AppxBundle>Always</AppxBundle>
-    <AppxBundlePlatforms>x64</AppxBundlePlatforms>
+    <AppxBundlePlatforms>arm64</AppxBundlePlatforms>
     <AppInstallerUpdateFrequency>1</AppInstallerUpdateFrequency>
     <AppInstallerCheckForUpdateFrequency>OnApplicationRun</AppInstallerCheckForUpdateFrequency>
   </PropertyGroup>
@@ -284,6 +284,9 @@
     <None Include="..\..\..\target\aarch64-pc-windows-msvc\debug\gstrtsp-1.0-0.dll">
       <DeploymentContent Condition="'$(Configuration)|$(Platform)'=='Debug|ARM64'">true</DeploymentContent>
     </None>
+    <None Include="..\..\..\target\aarch64-pc-windows-msvc\debug\gstsdp-1.0-0.dll">
+      <DeploymentContent Condition="'$(Configuration)|$(Platform)'=='Release|ARM64'">true</DeploymentContent>
+    </None>
     <None Include="..\..\..\target\aarch64-pc-windows-msvc\debug\gsttag-1.0-0.dll">
       <DeploymentContent Condition="'$(Configuration)|$(Platform)'=='Debug|ARM64'">true</DeploymentContent>
     </None>
@@ -455,6 +458,9 @@
     <None Include="..\..\..\target\aarch64-pc-windows-msvc\release\gstrtsp-1.0-0.dll">
       <DeploymentContent Condition="'$(Configuration)|$(Platform)'=='Release|ARM64'">true</DeploymentContent>
     </None>
+    <None Include="..\..\..\target\aarch64-pc-windows-msvc\release\gstsdp-1.0-0.dll">
+      <DeploymentContent Condition="'$(Configuration)|$(Platform)'=='Release|ARM64'">true</DeploymentContent>
+    </None>
     <None Include="..\..\..\target\aarch64-pc-windows-msvc\release\gsttag-1.0-0.dll">
       <DeploymentContent Condition="'$(Configuration)|$(Platform)'=='Release|ARM64'">true</DeploymentContent>
     </None>

support/hololens/ServoApp/ServoApp.vcxproj.filters

@@ -774,6 +774,12 @@
     <None Include="..\..\..\target\aarch64-pc-windows-msvc\release\z-1.dll">
       <Filter>ReleaseARM64ServoDLLs</Filter>
     </None>
+    <None Include="..\..\..\target\aarch64-pc-windows-msvc\release\gstsdp-1.0-0.dll">
+      <Filter>ReleaseARM64ServoDLLs</Filter>
+    </None>
+    <None Include="..\..\..\target\aarch64-pc-windows-msvc\debug\gstsdp-1.0-0.dll">
+      <Filter>DebugARM64ServoDLLs</Filter>
+    </None>
   </ItemGroup>
   <ItemGroup>
     <Filter Include="Assets">