Add flag for async bouncer.

Add the flag for async bouncer and tracking bug for cleanup.

Bug: 269522372
Bug: 272091103
Test: None as this is just adding a flag.
Change-Id: I9f8b60086a58ba3cd26a3aa95d5cd2f3d7d3d85b

packages/SystemUI/src/com/android/systemui/flags/Flags.kt

@@ -221,6 +221,11 @@ object Flags {
             teamfood = true,
         )
 
+    /** Whether to inflate the bouncer view on a background thread. */
+    // TODO(b/272091103): Tracking Bug
+    @JvmField
+    val ASYNC_INFLATE_BOUNCER = unreleasedFlag(229, "async_inflate_bouncer", teamfood = true)
+
     // 300 - power menu
     // TODO(b/254512600): Tracking Bug
     @JvmField val POWER_MENU_LITE = releasedFlag(300, "power_menu_lite")