71660 Revert “Add integration_test template to create template” (cla: yes, tool)

71663 Remove left-overs from causal async stacks. (cla: yes, tool, waiting for tree to go green)

71726 [flutter_tool] fix incorrect coverage file generation (cla: yes, tool)

71728 [flutter_tool] Report analytics as disabled when suppressed (cla: yes, tool)

71737 Launch DevTools from pub instead of devtools_server (cla: yes, team, tool)

71738 Allow flavors and build types when using plugins (cla: yes, platform-android, t: gradle, team, tool, waiting for tree to go green)

71740 Reland integration template (cla: yes, tool, waiting for tree to go green)