Exit to Settings when removing the only account for a type.

Skip over the ManageAccounts screen which shows the list of accounts
for a particular type, if there are no accounts there.

Bug: 6630827

Also fix text alignment in top-level of settings.

Change-Id: Icd446babc131e7052fc9e95514214fffe6e6e113

src/com/android/settings/Settings.java

@@ -625,9 +625,9 @@ public class Settings extends PreferenceActivity
 
                     case HEADER_TYPE_NORMAL:
                         view = mInflater.inflate(
-                                com.android.internal.R.layout.preference_header_item, parent,
+                                R.layout.preference_header_item, parent,
                                 false);
-                        holder.icon = (ImageView) view.findViewById(com.android.internal.R.id.icon);
+                        holder.icon = (ImageView) view.findViewById(R.id.icon);
                         holder.title = (TextView)
                                 view.findViewById(com.android.internal.R.id.title);
                         holder.summary = (TextView)