Added process tree data to the trace to text summary. am: d496ea53e6 am: c3cf471ee2
Added process tree data to the trace to text summary. am: d496ea53e6
am: c3cf471ee2

Change-Id: If2d5a3754d99be645a662f222cdb73adcb0cf4f2

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