[CTS] - Set test runtimes

bug: 27747405
Change-Id: If08ec156678d5435c88d9f179d3bacd064493aff
diff --git a/tests/cts/hostside/AndroidTest.xml b/tests/cts/hostside/AndroidTest.xml
index 4b6994a..9945805 100644
--- a/tests/cts/hostside/AndroidTest.xml
+++ b/tests/cts/hostside/AndroidTest.xml
@@ -16,5 +16,6 @@
 <configuration description="Config for CTS net host test cases">
     <test class="com.android.compatibility.common.tradefed.testtype.JarHostTest" >
         <option name="jar" value="CtsHostsideNetworkTests.jar" />
+        <option name="runtime-hint" value="3m56s" />
     </test>
 </configuration>