Increase the wait timeout for meteredness to change.

Bug: 170241174
Bug: 174808291
Test: atest CtsHostsideNetworkTests:HostsideRestrictBackgroundNetworkTests
Change-Id: I3af17819a403958d88a30af7f6346e5bb96b2828
diff --git a/tests/cts/hostside/app/src/com/android/cts/net/hostside/NetworkPolicyTestUtils.java b/tests/cts/hostside/app/src/com/android/cts/net/hostside/NetworkPolicyTestUtils.java
index 3807d79..3041dfa 100644
--- a/tests/cts/hostside/app/src/com/android/cts/net/hostside/NetworkPolicyTestUtils.java
+++ b/tests/cts/hostside/app/src/com/android/cts/net/hostside/NetworkPolicyTestUtils.java
@@ -55,7 +55,7 @@
 
 public class NetworkPolicyTestUtils {
 
-    private static final int TIMEOUT_CHANGE_METEREDNESS_MS = 5000;
+    private static final int TIMEOUT_CHANGE_METEREDNESS_MS = 10_000;
 
     private static ConnectivityManager mCm;
     private static WifiManager mWm;