Add flag sync_app_launch_with_taskbar_stash

We will use this to sync the two animations
(app launch, taskbar stash) so they play at the same time."

Bug: 319162553
Test: n/a adding flag
Flag: EXEMPT adding the flag
Change-Id: I835a45539bd21dd5ad135132a5acb792f40721bf
diff --git a/aconfig/launcher.aconfig b/aconfig/launcher.aconfig
index c5774bb..9f505a4 100644
--- a/aconfig/launcher.aconfig
+++ b/aconfig/launcher.aconfig
@@ -656,3 +656,13 @@
     purpose: PURPOSE_BUGFIX
   }
 }
+
+flag {
+  name: "sync_app_launch_with_taskbar_stash"
+  namespace: "launcher"
+  description: "Syncs the two animations (app launch, taskbar stash) so they play at the same time."
+  bug: "319162553"
+  metadata {
+    purpose: PURPOSE_BUGFIX
+  }
+}