Don't restore all tabs for phone

Change-Id: I33cf6e2cc64f6b0507529d73d5a69b3fa4788e28
diff --git a/src/com/android/browser/PhoneUi.java b/src/com/android/browser/PhoneUi.java
index 8b0c146..f32308d 100644
--- a/src/com/android/browser/PhoneUi.java
+++ b/src/com/android/browser/PhoneUi.java
@@ -322,4 +322,9 @@
         mContentView.setVisibility(View.VISIBLE);
     }
 
+    @Override
+    public boolean needsRestoreAllTabs() {
+        return false;
+    }
+
 }