Add config for animation_with_microtasks test (#87346)

diff --git a/TESTOWNERS b/TESTOWNERS
index 49493ff..8937a25 100644
--- a/TESTOWNERS
+++ b/TESTOWNERS
@@ -114,6 +114,7 @@
 /dev/devicelab/bin/tasks/tiles_scroll_perf__timeline_summary.dart @zanderso @flutter/engine
 
 ## Mac iOS DeviceLab tests
+/dev/devicelab/bin/tasks/animation_with_microtasks_perf_ios__timeline_summary.dart @iskakaushik @flutter/engine
 /dev/devicelab/bin/tasks/backdrop_filter_perf_ios__timeline_summary.dart @zanderso @flutter/engine
 /dev/devicelab/bin/tasks/basic_material_app_ios__compile.dart @zanderso @flutter/tool
 /dev/devicelab/bin/tasks/channels_integration_test_ios.dart @zanderso @flutter/engine