Add back intent-filter for default category and main action.

Bug: 10349073
Change-Id: I06c24cebc50fe555ec150813117955da09814fb4
diff --git a/AndroidManifest.xml b/AndroidManifest.xml
index 7eed9c8..4f9403e 100644
--- a/AndroidManifest.xml
+++ b/AndroidManifest.xml
@@ -71,6 +71,10 @@
                 <action android:name="android.media.action.VIDEO_CAPTURE" />
                 <category android:name="android.intent.category.DEFAULT" />
             </intent-filter>
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+                <category android:name="android.intent.category.DEFAULT" />
+            </intent-filter>
 
             <meta-data
                 android:name="com.android.keyguard.layout"