Fix CTS test for scan-always-available env

Even if you disable wifi the supplicant will still be pingable
if we're set in always scanning mode.  Make the test aware.

bug:9545987
Change-Id: I7f1bd0166b877a706de51f8ef169355c98ae25a3
diff --git a/tests/tests/net/src/android/net/wifi/cts/WifiManagerTest.java b/tests/tests/net/src/android/net/wifi/cts/WifiManagerTest.java
index 283f63b..2580dbe 100644
--- a/tests/tests/net/src/android/net/wifi/cts/WifiManagerTest.java
+++ b/tests/tests/net/src/android/net/wifi/cts/WifiManagerTest.java
@@ -233,7 +233,7 @@
         startScan();
         setWifiEnabled(false);
         Thread.sleep(DURATION);
-        assertFalse(mWifiManager.pingSupplicant());
+        assertTrue(mWifiManager.pingSupplicant() == mWifiManager.isScanAlwaysAvailable());
         final String TAG = "Test";
         assertNotNull(mWifiManager.createWifiLock(TAG));
         assertNotNull(mWifiManager.createWifiLock(WifiManager.WIFI_MODE_FULL, TAG));