trace_processor: fix asymmetric upid sort breaking strict partitial ordering am: ff8b67eeeb
trace_processor: fix asymmetric upid sort breaking strict partitial ordering
am: ff8b67eeeb

Change-Id: I0ace277d0438ce81d4c5448eb0075ecf81803e12

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