Create ACONFIG flag for the keyboard touchpad education

Test: manual, it builds
Bug: 317496783
Flag: com.android.systemui.keyboard_touchpad_contextual_education

Change-Id: I1c68811c02266a6af6c2f89980521e58e8eeed69
diff --git a/packages/SystemUI/aconfig/systemui.aconfig b/packages/SystemUI/aconfig/systemui.aconfig
index 1cbf67e..e68e108 100644
--- a/packages/SystemUI/aconfig/systemui.aconfig
+++ b/packages/SystemUI/aconfig/systemui.aconfig
@@ -864,6 +864,13 @@
 }
 
 flag {
+    name: "keyboard_touchpad_contextual_education"
+    namespace: "systemui"
+    description: "Allow showing education for physical keyboard and touchpad"
+    bug: "317496783"
+}
+
+flag {
   name: "dream_overlay_bouncer_swipe_direction_filtering"
   namespace: "systemui"
   description: "do not initiate bouncer swipe when the direction is opposite of the expansion"