Add a flag for docking indicator

Bug: 324600132
Test: m
Flag: ACONFIG keyboard_docking_indicator DISABLED
Change-Id: I06d7362950200ab9a6a0c32530259333a445a6d1
diff --git a/packages/SystemUI/aconfig/systemui.aconfig b/packages/SystemUI/aconfig/systemui.aconfig
index c845ab3..c0dfbb7 100644
--- a/packages/SystemUI/aconfig/systemui.aconfig
+++ b/packages/SystemUI/aconfig/systemui.aconfig
@@ -698,3 +698,10 @@
       " Compose for the UI."
     bug: "325099249"
 }
+
+flag {
+    name: "keyboard_docking_indicator"
+    namespace: "systemui"
+    description: "Glow bar indicator reveals upon keyboard docking."
+    bug: "324600132"
+}