Dialer: define app category

Change-Id: I53b6ee1c70925c50e91270e0b084d777dd8c06f6
Signed-off-by: Joey <joey@lineageos.org>
diff --git a/AndroidManifest.xml b/AndroidManifest.xml
index a93fe2a..d133306 100644
--- a/AndroidManifest.xml
+++ b/AndroidManifest.xml
@@ -111,6 +111,7 @@
     android:icon="@mipmap/ic_launcher_phone"
     android:label="@string/applicationLabel"
     android:name="com.android.dialer.binary.aosp.AospDialerApplication"
+    android:appCategory="social"
     android:supportsRtl="true"
     android:usesCleartextTraffic="false"
     android:extractNativeLibs="false">