Add NETWORK_AIRPLANE_MODE permission to CTS tests

Bug: 141621384
Bug: 145164696
Test: treehugger
Change-Id: I6fd395704286bbc6c1ca7f24f8cc6d93102edb33
diff --git a/tests/tests/permission2/res/raw/android_manifest.xml b/tests/tests/permission2/res/raw/android_manifest.xml
index 575f401..0fa6d15 100644
--- a/tests/tests/permission2/res/raw/android_manifest.xml
+++ b/tests/tests/permission2/res/raw/android_manifest.xml
@@ -1540,6 +1540,12 @@
     <permission android:name="android.permission.REQUEST_NETWORK_SCORES"
         android:protectionLevel="signature|setup" />
 
+    <!-- @SystemApi @hide Allows applications to toggle airplane mode.
+         <p>Not for use by third-party or privileged applications.
+    -->
+    <permission android:name="android.permission.NETWORK_AIRPLANE_MODE"
+        android:protectionLevel="signature" />
+
     <!-- Allows network stack services (Connectivity and Wifi) to coordinate
          <p>Not for use by third-party or privileged applications.
          @hide This should only be used by Connectivity and Wifi Services.