Update work notifivation settings on upgrade.

Work notifications settings should only allows the user to cause
notifications to be redacted, not hidden alltogehter. If some user
had it hidden, change it to redacted on upgrade.

Bug: 64829587
Test: manual
Change-Id: Iff88638b2536481fb7ff66ac8a29512c95fbada6
diff --git a/packages/SettingsProvider/src/com/android/providers/settings/SettingsProvider.java b/packages/SettingsProvider/src/com/android/providers/settings/SettingsProvider.java
index 5102cbd..7de54db 100644
--- a/packages/SettingsProvider/src/com/android/providers/settings/SettingsProvider.java
+++ b/packages/SettingsProvider/src/com/android/providers/settings/SettingsProvider.java
@@ -2938,7 +2938,7 @@
         }
 
         private final class UpgradeController {
-            private static final int SETTINGS_VERSION = 159;
+            private static final int SETTINGS_VERSION = 160;
 
             private final int mUserId;
 
@@ -3646,6 +3646,28 @@
                     currentVersion = 159;
                 }
 
+                if (currentVersion == 159) {
+                    // Version 160: Hiding notifications from the lockscreen is only available as
+                    // primary user option, profiles can only make them redacted. If a profile was
+                    // configured to not show lockscreen notifications, ensure that at the very
+                    // least these will be come hidden.
+                    if (mUserManager.isManagedProfile(userId)) {
+                        final SettingsState secureSettings = getSecureSettingsLocked(userId);
+                        Setting showNotifications = secureSettings.getSettingLocked(
+                            Settings.Secure.LOCK_SCREEN_SHOW_NOTIFICATIONS);
+                        // The default value is "1", check if user has turned it off.
+                        if ("0".equals(showNotifications.getValue())) {
+                            secureSettings.insertSettingLocked(
+                                Secure.LOCK_SCREEN_ALLOW_PRIVATE_NOTIFICATIONS, "0",
+                                null /* tag */, false /* makeDefault */,
+                                SettingsState.SYSTEM_PACKAGE_NAME);
+                        }
+                        // The setting is no longer valid for managed profiles, it should be
+                        // treated as if it was set to "1".
+                        secureSettings.deleteSettingLocked(Secure.LOCK_SCREEN_SHOW_NOTIFICATIONS);
+                    }
+                    currentVersion = 160;
+                }
                 // vXXX: Add new settings above this point.
 
                 if (currentVersion != newVersion) {