trace_processor: add benchmarks for sorted columns am: ffcea98fad
trace_processor: add benchmarks for sorted columns
am: ffcea98fad

Change-Id: I2188dedd3bd806afb54b16ade069703f6985a18a

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