Add application launch category.

Bug: 5674723
Change-Id: I6e2cbd2f456d93b4a4e05df5f3be5d3fb05385f0
diff --git a/AndroidManifest.xml b/AndroidManifest.xml
index 798a46e..c24279c 100644
--- a/AndroidManifest.xml
+++ b/AndroidManifest.xml
@@ -72,7 +72,9 @@
                 android:configChanges="keyboardHidden|orientation|screenSize">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
+                <category android:name="android.intent.category.DEFAULT" />
                 <category android:name="android.intent.category.LAUNCHER" />
+                <category android:name="android.intent.category.APP_GALLERY" />
             </intent-filter>
             <intent-filter>
                 <action android:name="android.intent.action.GET_CONTENT" />