Skip the unnecessary attempt to retrieve the server side dynamic config for ConnectivityManagerTest.

The test doesn't have server side dynamic configs.

Test: local runs
Bug: 317166695
Change-Id: I8cfbded9992799cbdd2ce996fb21aa408a072876
diff --git a/tests/cts/net/AndroidTestTemplate.xml b/tests/cts/net/AndroidTestTemplate.xml
index 024d3bf..24431a6 100644
--- a/tests/cts/net/AndroidTestTemplate.xml
+++ b/tests/cts/net/AndroidTestTemplate.xml
@@ -25,6 +25,7 @@
     <option name="config-descriptor:metadata" key="mainline-param" value="com.google.android.tethering.apex" />
     <option name="not-shardable" value="true" />
     <target_preparer class="com.android.compatibility.common.tradefed.targetprep.DynamicConfigPusher">
+        <option name="has-server-side-config" value="false" />
         <option name="target" value="device" />
         <option name="config-filename" value="{MODULE}" />
         <option name="version" value="1.0" />