Revert^2 "[flexiglass] Add bouncer predictive back motion test"

This reverts commit cdf10953f4e35ac1e8f8882df1e833395c7d5911.

Reason for revert: reland revert

Change-Id: I40ca0f0c099213836527b0a23ff26ac70e762e2b
diff --git a/packages/SystemUI/Android.bp b/packages/SystemUI/Android.bp
index d26a906..a9e81c7 100644
--- a/packages/SystemUI/Android.bp
+++ b/packages/SystemUI/Android.bp
@@ -756,6 +756,7 @@
         "notification_flags_lib",
         "PlatformComposeCore",
         "PlatformComposeSceneTransitionLayout",
+        "PlatformComposeSceneTransitionLayoutTestsUtils",
         "androidx.compose.runtime_runtime",
         "androidx.compose.material3_material3",
         "androidx.compose.material_material-icons-extended",