Don't require WiFi in CtsHostsideNetworkTests.

Skip test for non-WiFi connections.

Bug: 162192335
Test: run cts -m CtsHostsideNetworkTests -t com.android.cts.net.HostsideNetworkCallbackTests#testOnBlockedStatusChanged_dataSaver
Change-Id: I7c20e3454a2fe81671162e0a50f90d64ed7516d0
diff --git a/tests/cts/hostside/app/src/com/android/cts/net/hostside/NetworkCallbackTest.java b/tests/cts/hostside/app/src/com/android/cts/net/hostside/NetworkCallbackTest.java
index eedccb6..2ac29e7 100644
--- a/tests/cts/hostside/app/src/com/android/cts/net/hostside/NetworkCallbackTest.java
+++ b/tests/cts/hostside/app/src/com/android/cts/net/hostside/NetworkCallbackTest.java
@@ -17,7 +17,9 @@
 package com.android.cts.net.hostside;
 
 import static android.net.NetworkCapabilities.NET_CAPABILITY_NOT_METERED;
+import static com.android.cts.net.hostside.NetworkPolicyTestUtils.canChangeActiveNetworkMeteredness;
 import static com.android.cts.net.hostside.NetworkPolicyTestUtils.setRestrictBackground;
+import static com.android.cts.net.hostside.NetworkPolicyTestUtils.isActiveNetworkMetered;
 import static com.android.cts.net.hostside.Property.BATTERY_SAVER_MODE;
 import static com.android.cts.net.hostside.Property.DATA_SAVER_MODE;
 
@@ -26,6 +28,7 @@
 import static org.junit.Assert.assertNull;
 import static org.junit.Assert.assertTrue;
 import static org.junit.Assert.fail;
+import static org.junit.Assume.assumeTrue;
 
 import android.net.Network;
 import android.net.NetworkCapabilities;
@@ -183,6 +186,8 @@
     public void setUp() throws Exception {
         super.setUp();
 
+        assumeTrue(isActiveNetworkMetered(true) || canChangeActiveNetworkMeteredness());
+
         registerBroadcastReceiver();
 
         removeRestrictBackgroundWhitelist(mUid);