contrib/gfx: Fixed trace_file_info script parser

Updated trace_file_info.py script apitrace output parser to match the
latest trace info output json schema

BUG=b:161465313
TEST=./trace_file_info.py /tmp/game.trace

Change-Id: Idc34fd99eadaba4600757279cec825be5d03afef
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/dev-util/+/2302660
Reviewed-by: Ilja H. Friedel <ihf@chromium.org>
Commit-Queue: Ilja H. Friedel <ihf@chromium.org>
Tested-by: Ilja H. Friedel <ihf@chromium.org>
1 file changed