Rename test to be able to launch it on crespo.

Change-Id: Ieb3e1f6a2e3effe5c4042ad170f195244c7e2158
diff --git a/tests/HwAccelerationTest/AndroidManifest.xml b/tests/HwAccelerationTest/AndroidManifest.xml
index c1aa215..35f2b9b 100644
--- a/tests/HwAccelerationTest/AndroidManifest.xml
+++ b/tests/HwAccelerationTest/AndroidManifest.xml
@@ -376,7 +376,7 @@
 
         <activity
                 android:name="ListActivity"
-                android:label="_List">
+                android:label="__List">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
                 <category android:name="android.intent.category.LAUNCHER" />