Fixing build - left an import in.

Change-Id: I673e282eca5f1675a37a4f2e72eafa860284a265
diff --git a/suite/pts/deviceTests/opengl/src/com/android/pts/opengl/reference/GLReferenceActivity.java b/suite/pts/deviceTests/opengl/src/com/android/pts/opengl/reference/GLReferenceActivity.java
index f49738a..c7fa7b9 100644
--- a/suite/pts/deviceTests/opengl/src/com/android/pts/opengl/reference/GLReferenceActivity.java
+++ b/suite/pts/deviceTests/opengl/src/com/android/pts/opengl/reference/GLReferenceActivity.java
@@ -14,7 +14,6 @@
 package com.android.pts.opengl.reference;
 
 import com.android.pts.opengl.GLActivityIntentKeys;
-import com.android.pts.opengl.R;
 
 import android.app.Activity;
 import android.content.Intent;