Marks Linux_android opacity_peephole_fade_transition_text_perf__e2e_summary to be unflaky (#97144)

* Marks Linux_android opacity_peephole_fade_transition_text_perf__e2e_summary to be unflaky

* trigger builds

Co-authored-by: Keyong Han <keyonghan@google.com>

Author: fluttergithubbot

.ci.yaml

@@ -2271,7 +2271,6 @@ targets:
     scheduler: luci
 
   - name: Linux_android opacity_peephole_fade_transition_text_perf__e2e_summary
-    bringup: true # Flaky https://github.com/flutter/flutter/issues/95863
     recipe: devicelab/devicelab_drone
     presubmit: false
     timeout: 60