trace_processor: Make randomness deterministic
trace_processor: Make randomness deterministic

Turn off seeding sqlite randomness /dev/urandom.
In the browser this causes a crash as /dev/urandom is not implemented.

Change-Id: I3986efc0d4b136b646720cdbb7109fc028910f34
google/perfetto,google/perfetto,google/perfetto,google/perfetto,google/perfetto,google/perfetto,google/perfetto,google/perfetto