Update GpuWorkTracepointTest

Update test to handle the modified tracepoint format. Also, ensure the
test always runs without adb root.

Bug: b/221096545
Change-Id: I0138f11da97caa6c6c65b9e4faae7e21e0ef1148
diff --git a/services/gpuservice/vts/AndroidTest.xml b/services/gpuservice/vts/AndroidTest.xml
index 02ca07f..34dc2ea 100644
--- a/services/gpuservice/vts/AndroidTest.xml
+++ b/services/gpuservice/vts/AndroidTest.xml
@@ -14,6 +14,9 @@
      limitations under the License.
 -->
 <configuration description="Runs GpuServiceVendorTests">
+    <target_preparer class="com.android.tradefed.targetprep.RootTargetPreparer">
+        <option name="force-root" value="false" />
+    </target_preparer>
     <test class="com.android.tradefed.testtype.HostTest" >
         <option name="jar" value="GpuServiceVendorTests.jar" />
     </test>