Add intent filter to open premium sms setting.

Test: adb shell am start -a android.settings.PREMIUM_SMS_SETTINGS -d package: com.android.settings
Bug: b/175911991
Change-Id: I1b48494d8d388ad52c5966dbd1e89b1a6f9c6785
diff --git a/src/com/android/settings/Settings.java b/src/com/android/settings/Settings.java
index 2f23c84..84fb6d6 100644
--- a/src/com/android/settings/Settings.java
+++ b/src/com/android/settings/Settings.java
@@ -138,6 +138,7 @@
     public static class NotificationAccessSettingsActivity extends SettingsActivity { /* empty */ }
     public static class NotificationAccessDetailsActivity extends SettingsActivity { /* empty */ }
     public static class VrListenersSettingsActivity extends SettingsActivity { /* empty */ }
+    public static class PremiumSmsAccessActivity extends SettingsActivity { /* empty */ }
     public static class PictureInPictureSettingsActivity extends SettingsActivity { /* empty */ }
     public static class AppPictureInPictureSettingsActivity extends SettingsActivity { /* empty */ }
     public static class ZenAccessSettingsActivity extends SettingsActivity { /* empty */ }
diff --git a/src/com/android/settings/core/gateway/SettingsGateway.java b/src/com/android/settings/core/gateway/SettingsGateway.java
index ad4da08..87a5d36 100644
--- a/src/com/android/settings/core/gateway/SettingsGateway.java
+++ b/src/com/android/settings/core/gateway/SettingsGateway.java
@@ -52,6 +52,7 @@
 import com.android.settings.applications.specialaccess.notificationaccess.NotificationAccessDetails;
 import com.android.settings.applications.specialaccess.pictureinpicture.PictureInPictureDetails;
 import com.android.settings.applications.specialaccess.pictureinpicture.PictureInPictureSettings;
+import com.android.settings.applications.specialaccess.premiumsms.PremiumSmsAccess;
 import com.android.settings.applications.specialaccess.vrlistener.VrListenerSettings;
 import com.android.settings.applications.specialaccess.zenaccess.ZenAccessDetails;
 import com.android.settings.backup.PrivacySettings;
@@ -271,6 +272,7 @@
             VrListenerSettings.class.getName(),
             PictureInPictureSettings.class.getName(),
             PictureInPictureDetails.class.getName(),
+            PremiumSmsAccess.class.getName(),
             ManagedProfileSettings.class.getName(),
             ChooseAccountFragment.class.getName(),
             IccLockSettings.class.getName(),