Revert "Revert "Switch Linux_build_test flutter_gallery__transition_perf back to bringup"" (#110804)

diff --git a/.ci.yaml b/.ci.yaml
index ab41655..bbe9b23 100644
--- a/.ci.yaml
+++ b/.ci.yaml
@@ -1935,6 +1935,7 @@
   - name: Linux_build_test flutter_gallery__transition_perf
     recipe: devicelab/devicelab_drone_build_test
     presubmit: false
+    bringup: true # New target https://github.com/flutter/flutter/issues/103542
     timeout: 60
     properties:
       tags: >