Add storage manager settings activity.

Bug: 31621740
Change-Id: I5abc8ef3f12e02488104c0b74f4826d8c4182b2b
diff --git a/src/com/android/settings/Settings.java b/src/com/android/settings/Settings.java
index 01b0632..559b9ce 100644
--- a/src/com/android/settings/Settings.java
+++ b/src/com/android/settings/Settings.java
@@ -120,6 +120,7 @@
     public static class AppNotificationSettingsActivity extends SettingsActivity { /* empty */ }
     public static class OtherSoundSettingsActivity extends SettingsActivity { /* empty */ }
     public static class ManageDomainUrlsActivity extends SettingsActivity { /* empty */ }
+    public static class AutomaticStorageManagerSettingsActivity extends SettingsActivity { /* empty */ }
 
     public static class TopLevelSettings extends SettingsActivity { /* empty */ }
     public static class ApnSettingsActivity extends SettingsActivity { /* empty */ }