91324 Update number of IPHONEOS_DEPLOYMENT_TARGET in plugin_test_ios (a: tests, team, platform-ios, cla: yes, waiting for tree to go green)

91332 Enable avoid_print lint. (a: tests, a: text input, team, tool, framework, f: material design, cla: yes, d: examples, waiting for tree to go green, f: focus, integration_test)

91346 Add a startup test that delays runApp (team, cla: yes, waiting for tree to go green, integration_test)