The regression is noisy but quite large: 2ms -> 52ms. https://flutter-flutter-perf.skia.org/e/?begin=1665557975&end=1667870223&keys=X7998211eeaebf12251a948e3ed58f88f&queries=arch%3Dintel%26branch%3Dmaster%26config%3Ddefault%26device_type%3DiPhone_6s%26device_version%3DiOS-15.5%26device_version%3Dnone%26host_type%3Dmac%26sub_result%3Dworst_frame_build_time_millis%26test%3Dfullscreen_textfield_perf_impeller_ios__e2e_summary&requestType=0&selected=commit%3D31956%26name%3D%252Carch%253Dintel%252Cbranch%253Dmaster%252Cconfig%253Ddefault%252Cdevice_type%253DiPhone_6s%252Cdevice_version%253Dnone%252Chost_type%253Dmac%252Csub_result%253Dworst_frame_build_time_millis%252Ctest%253Dfullscreen_textfield_perf_impeller_ios__e2e_summary%252C&xbaroffset=31957 cc @justinmc @chinmaygarde
