Fix DO/PO Wifi CTS

- Flip the feature check
- PO can't access the MAC address.  Removed the test.

Bug 31767129

Change-Id: I9ab72e491df22849f8755899217d207e326f011f
diff --git a/hostsidetests/devicepolicy/src/com/android/cts/devicepolicy/DeviceOwnerTest.java b/hostsidetests/devicepolicy/src/com/android/cts/devicepolicy/DeviceOwnerTest.java
index 4748b35..256b03c 100644
--- a/hostsidetests/devicepolicy/src/com/android/cts/devicepolicy/DeviceOwnerTest.java
+++ b/hostsidetests/devicepolicy/src/com/android/cts/devicepolicy/DeviceOwnerTest.java
@@ -101,7 +101,7 @@
     }
 
     public void testWifi() throws Exception {
-        if (hasDeviceFeature("android.hardware.wifi")) {
+        if (!hasDeviceFeature("android.hardware.wifi")) {
             return;
         }
         executeDeviceOwnerTest("WifiTest");
diff --git a/hostsidetests/devicepolicy/src/com/android/cts/devicepolicy/ProfileOwnerTest.java b/hostsidetests/devicepolicy/src/com/android/cts/devicepolicy/ProfileOwnerTest.java
index 4105012..41f7010 100644
--- a/hostsidetests/devicepolicy/src/com/android/cts/devicepolicy/ProfileOwnerTest.java
+++ b/hostsidetests/devicepolicy/src/com/android/cts/devicepolicy/ProfileOwnerTest.java
@@ -53,13 +53,6 @@
         super.tearDown();
     }
 
-    public void testWifi() throws Exception {
-        if (hasDeviceFeature("android.hardware.wifi")) {
-            return;
-        }
-        executeProfileOwnerTest("WifiTest");
-    }
-
     private void executeProfileOwnerTest(String testClassName) throws Exception {
         if (!mHasFeature) {
             return;