Revert "Disable dml stage in windows GPU pipeline temporarily. (#18034)…

…" (#18150)

This reverts commit 99b8dca.

### Description
<!-- Describe your changes. -->



### Motivation and Context
Restore the dml stage in windows GPU  pipeline.
Agent issue is solved by adding Feature.DisableGpuDriver in pool
properties.

tools/ci_build/github/azure-pipelines/win-gpu-ci-pipeline.yml

@@ -70,6 +70,23 @@ stages:
         MachinePool: onnxruntime-Win2022-GPU-T4
         isTraining: true
 
+- stage: dml
+  dependsOn: []
+  jobs:
+    - template: templates/jobs/win-ci-vs-2022-job.yml
+      parameters:
+        BuildConfig: 'RelWithDebInfo'
+        EnvSetupScript: setup_env.bat
+        buildArch: x64
+        additionalBuildFlags: --enable_pybind --use_dml --enable_wcos  --use_winml
+        msbuildPlatform: x64
+        isX86: false
+        job_name_suffix: x64_RelWithDebInfo
+        RunOnnxRuntimeTests: ${{ parameters.RunOnnxRuntimeTests }}
+        ORT_EP_NAME: DML
+        WITH_CACHE: true
+        MachinePool: onnxruntime-Win2022-GPU-dml-A10
+
 - stage: kernelDocumentation
   dependsOn: []
   jobs: