Use ACCESS_WIFI_STATE when clearing wifi blacklist

Some tests using CtsNetUtils, like tethering CTS tests, do not hold
ACCESS_WIFI_STATE at install time. Use shell permissions to allow the
utility to work in such configurations.

Bug: 171621759
Test: atest CtsTetheringTest:TetheringManagerTest
Change-Id: I63e76918421e5deb59fe67a64674348fb8d20265
diff --git a/tests/cts/net/util/java/android/net/cts/util/CtsNetUtils.java b/tests/cts/net/util/java/android/net/cts/util/CtsNetUtils.java
index 34c6541..0527011 100644
--- a/tests/cts/net/util/java/android/net/cts/util/CtsNetUtils.java
+++ b/tests/cts/net/util/java/android/net/cts/util/CtsNetUtils.java
@@ -16,6 +16,7 @@
 
 package android.net.cts.util;
 
+import static android.Manifest.permission.ACCESS_WIFI_STATE;
 import static android.Manifest.permission.NETWORK_SETTINGS;
 import static android.net.ConnectivityManager.PRIVATE_DNS_MODE_OPPORTUNISTIC;
 import static android.net.NetworkCapabilities.NET_CAPABILITY_INTERNET;
@@ -331,7 +332,7 @@
      * to them.
      */
     private void clearWifiBlacklist() {
-        runAsShell(NETWORK_SETTINGS, () -> {
+        runAsShell(NETWORK_SETTINGS, ACCESS_WIFI_STATE, () -> {
             for (WifiConfiguration cfg : mWifiManager.getConfiguredNetworks()) {
                 assertTrue(mWifiManager.enableNetwork(cfg.networkId, false /* attemptConnect */));
             }