Fix process summary on very long traces
Fix process summary on very long traces

We were ending up creating a 60512900 element array
for the frontend to render which was causing skia crashes.

Bug: 141015779
Change-Id: I65f395aed834f336fb9b2fa8504148d505ce3f9c

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