Create flag for animating bubbles.

Flag: com.android.wm.shell.animate_bubbles_size_change
Test: NONE - adding flag
Bug: 335575529
Change-Id: Ia97bde8335b05ea243d602a0e30cdac429772f0e
diff --git a/libs/WindowManager/Shell/aconfig/multitasking.aconfig b/libs/WindowManager/Shell/aconfig/multitasking.aconfig
index 15f8c32..112eb61 100644
--- a/libs/WindowManager/Shell/aconfig/multitasking.aconfig
+++ b/libs/WindowManager/Shell/aconfig/multitasking.aconfig
@@ -111,3 +111,13 @@
         purpose: PURPOSE_BUGFIX
     }
 }
+
+flag {
+    name: "animate_bubble_size_change"
+    namespace: "multitasking"
+    description: "Turns on the animation for bubble bar icons size change"
+    bug: "335575529"
+    metadata {
+        purpose: PURPOSE_BUGFIX
+    }
+}