52283 [benchmarks] remove build aot benchmarks (cla: yes, team)

52284 [flutter_tools] configure dwds to not serve devtools (cla: yes, tool)

52288 Migrate older Xcode projects off the legacy build system (cla: yes, t: xcode, tool)

52301 [flutter_tools] attempt to fix a List.first crasher in web loading (cla: yes, tool)

52325 [flutter_tools] cache result of BotDetector in persistent tool state (cla: yes, tool)

52329 test change (cla: yes)

52331 [flutter_tool] Use unzip -t instead of zip -T to verify zip files (cla: yes, tool)