Fix build.

Change-Id: I90dda90014131e48eace67bac26453ea278b4e87
diff --git a/samples/SupportLeanbackDemos/src/com/example/android/leanback/SearchActivity.java b/samples/SupportLeanbackDemos/src/com/example/android/leanback/SearchActivity.java
index e872018..0f7fc3f 100644
--- a/samples/SupportLeanbackDemos/src/com/example/android/leanback/SearchActivity.java
+++ b/samples/SupportLeanbackDemos/src/com/example/android/leanback/SearchActivity.java
@@ -14,6 +14,7 @@
 package com.example.android.leanback;
 
 import android.app.Activity;
+import android.content.Intent;
 import android.os.Bundle;
 import android.support.v17.leanback.app.SearchFragment;
 import android.support.v17.leanback.widget.SpeechRecognitionCallback;