Lower autogroup count from 4 to 2

Test: boot
Fixes: 215364277
Change-Id: Ib35908b6e2a91666b224668214062534009876be
diff --git a/core/res/res/values/config.xml b/core/res/res/values/config.xml
index f4b7b73..3b2908a 100644
--- a/core/res/res/values/config.xml
+++ b/core/res/res/values/config.xml
@@ -4242,7 +4242,7 @@
     <string translatable="false" name="config_defaultRingtoneVibrationSound"></string>
 
     <!-- Default number of notifications from the same app before they are automatically grouped by the OS -->
-    <integer translatable="false" name="config_autoGroupAtCount">4</integer>
+    <integer translatable="false" name="config_autoGroupAtCount">2</integer>
 
     <!-- The OEM specified sensor type for the lift trigger to launch the camera app. -->
     <integer name="config_cameraLiftTriggerSensorType">-1</integer>