Gallery: define app category

Change-Id: I04a4650a55bf45cfeb103d5fedc0cf7ff67197e5
Signed-off-by: Joey <joey@lineageos.org>
diff --git a/AndroidManifest.xml b/AndroidManifest.xml
index 8d3ac1b..6d01b4e 100755
--- a/AndroidManifest.xml
+++ b/AndroidManifest.xml
@@ -64,6 +64,7 @@
             android:logo="@mipmap/ic_launcher_gallery"
             android:hardwareAccelerated="true"
             android:largeHeap="true"
+            android:appCategory="image"
             android:restoreAnyVersion="true"
             android:supportsRtl="true"
             android:usesCleartextTraffic="true">