Frameworks/base: Fix a constructor

The constructor of RecoverySystem was accidentally made public
before. @Removed it.

Bug: 19797138
Change-Id: I4c7bba99695a3aeb56da9c126125c3e9075c0181
diff --git a/api/system-removed.txt b/api/system-removed.txt
index 1b209a9..5130fe44 100644
--- a/api/system-removed.txt
+++ b/api/system-removed.txt
@@ -26,6 +26,10 @@
     method public void wakeUp(long);
   }
 
+  public class RecoverySystem {
+    ctor public RecoverySystem();
+  }
+
   public class UserManager {
     method public android.graphics.drawable.Drawable getBadgedDrawableForUser(android.graphics.drawable.Drawable, android.os.UserHandle, android.graphics.Rect, int);
     method public android.graphics.drawable.Drawable getBadgedIconForUser(android.graphics.drawable.Drawable, android.os.UserHandle);