Create ACONFIG flag for the keyboard shortcut helper rewrite feature

Test: It builds
Fixes: 335387489
Flag: ACONFIG com.android.systemui.keyboard_shortcut_helper_rewrite DISABLED
Change-Id: I197e4cfa966567c598690ea5316873af0a02b7d0
diff --git a/packages/SystemUI/aconfig/systemui.aconfig b/packages/SystemUI/aconfig/systemui.aconfig
index c979d05..c162205 100644
--- a/packages/SystemUI/aconfig/systemui.aconfig
+++ b/packages/SystemUI/aconfig/systemui.aconfig
@@ -766,6 +766,13 @@
 }
 
 flag {
+    name: "keyboard_shortcut_helper_rewrite"
+    namespace: "systemui"
+    description: "A new implementation of the keyboards shortcuts helper sheet."
+    bug: "327364197"
+}
+
+flag {
   name: "dream_overlay_bouncer_swipe_direction_filtering"
   namespace: "systemui"
   description: "do not initiate bouncer swipe when the direction is opposite of the expansion"