Turn off airplane mode when DISALLOW_AIRPLANE_MODE is set.

Test: run cts --module DevicePolicyManager --test com.android.cts.devicepolicy.DeviceOwnerTest#testAirplaneModeRestriction
Bug: 67675441

Change-Id: I94b6c985fe76cc9601ac6a481beca17966102109
diff --git a/services/core/java/com/android/server/pm/UserRestrictionsUtils.java b/services/core/java/com/android/server/pm/UserRestrictionsUtils.java
index 8dd7105..cc07d82 100644
--- a/services/core/java/com/android/server/pm/UserRestrictionsUtils.java
+++ b/services/core/java/com/android/server/pm/UserRestrictionsUtils.java
@@ -25,12 +25,14 @@
 import android.app.ActivityManager;
 import android.content.ContentResolver;
 import android.content.Context;
+import android.content.Intent;
 import android.os.Binder;
 import android.os.Bundle;
 import android.os.RemoteException;
 import android.os.UserHandle;
 import android.os.UserManager;
 import android.os.UserManagerInternal;
+import android.provider.Settings;
 import android.telephony.SubscriptionInfo;
 import android.telephony.SubscriptionManager;
 import android.util.Log;
@@ -543,6 +545,22 @@
                             android.provider.Settings.Global.SAFE_BOOT_DISALLOWED,
                             newValue ? 1 : 0);
                     break;
+                case UserManager.DISALLOW_AIRPLANE_MODE:
+                    if (newValue) {
+                        final boolean airplaneMode = Settings.Global.getInt(
+                                context.getContentResolver(),
+                                Settings.Global.AIRPLANE_MODE_ON, 0) == 1;
+                        if (airplaneMode) {
+                            android.provider.Settings.Global.putInt(
+                                    context.getContentResolver(),
+                                    android.provider.Settings.Global.AIRPLANE_MODE_ON, 0);
+                            // Post the intent.
+                            Intent intent = new Intent(Intent.ACTION_AIRPLANE_MODE_CHANGED);
+                            intent.putExtra("state", 0);
+                            context.sendBroadcastAsUser(intent, UserHandle.ALL);
+                        }
+                    }
+                    break;
             }
         } finally {
             Binder.restoreCallingIdentity(id);