Use assertEquals instead of assertTrue to compare the vpn type

Bug: 184261389
Test: atest CtsHostsideNetworkTests:HostsideVpnTests#testDefault
Change-Id: I55371fabe0d2fa32a71520af11f18f1eeea31460
diff --git a/tests/cts/hostside/app/src/com/android/cts/net/hostside/VpnTest.java b/tests/cts/hostside/app/src/com/android/cts/net/hostside/VpnTest.java
index 8485263..62aa493 100755
--- a/tests/cts/hostside/app/src/com/android/cts/net/hostside/VpnTest.java
+++ b/tests/cts/hostside/app/src/com/android/cts/net/hostside/VpnTest.java
@@ -760,7 +760,7 @@
         assertEquals(vpnNetwork, mCM.getActiveNetwork());
         assertNotEqual(defaultNetwork, vpnNetwork);
         maybeExpectVpnTransportInfo(vpnNetwork);
-        assertTrue(mCM.getNetworkInfo(vpnNetwork).getType() == TYPE_VPN);
+        assertEquals(TYPE_VPN, mCM.getNetworkInfo(vpnNetwork).getType());
 
         if (SdkLevel.isAtLeastS()) {
             // Check that system default network callback has not seen any network changes, even