flutter/engine#52087 has caused some performance probes to drop to zero.

examples:

• 99th_percentile_gpu_frame_time
• worst_gpu_frame_time
• 90th_percentile_gpu_frame_time

cc @chinmaygarde

skia perf

https://flutter-flutter-perf.skia.org/e/?begin=1713375187&end=1714657908&keys=Xdab252144b6c666305544d303f8161ea&requestType=0&selected=commit%3D40587%26name%3D%252Carch%253Dintel%252Cbranch%253Dmaster%252Cconfig%253Ddefault%252Cdevice_type%253DSM-A025V%252Cdevice_version%253Dnone%252Chost_type%253Dlinux%252Csub_result%253D99th_percentile_gpu_frame_time%252Ctest%253Danimated_blur_backdrop_filter_perf__timeline_summary%252C&xbaroffset=40591