Fix sign comparison in trace_packet_unittest.cc am: d2badc9f7a am: 250c36fe1a
Fix sign comparison in trace_packet_unittest.cc am: d2badc9f7a
am: 250c36fe1a

Change-Id: I93a4c0c01703230ebbf94db93f658ae60d6b2d81

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