Add flag for bubbles animation changes

Bug: 311450609
Bug: 300268068
Test: none
Flag: this is the flag
Change-Id: Ia45eb158ed65a4bb1d532294219ea13cfa40ca28
diff --git a/libs/WindowManager/Shell/aconfig/multitasking.aconfig b/libs/WindowManager/Shell/aconfig/multitasking.aconfig
index 4511f3b..901d5fa 100644
--- a/libs/WindowManager/Shell/aconfig/multitasking.aconfig
+++ b/libs/WindowManager/Shell/aconfig/multitasking.aconfig
@@ -57,3 +57,10 @@
     description: "Enables left/right split in portrait"
     bug: "291018646"
 }
+
+flag {
+    name: "enable_new_bubble_animations"
+    namespace: "multitasking"
+    description: "Enables new animations for expand and collapse for bubbles"
+    bug: "311450609"
+}