Fix cost estimation for single row am: 9faab56544
Fix cost estimation for single row
am: 9faab56544

Change-Id: I72c49d204894036f98dc3b2eaf848b606eb50a5a

google/perfetto,google/perfetto,google/perfetto,google/perfetto,google/perfetto,google/perfetto,google/perfetto,google/perfetto