[CT] Handle new trace paths in metrics analysis
[CT] Handle new trace paths in metrics analysis

Bug: skia:10235
Change-Id: Ib684236dba6d254dbc4c45da4ae872f0eebc58b9
Reviewed-on: https://skia-review.googlesource.com/c/buildbot/+/289019
Reviewed-by: Ravi Mistry <9fa2e7438b8cb730f96b74865492597170561628@google.com>
Commit-Queue: Ravi Mistry <9fa2e7438b8cb730f96b74865492597170561628@google.com>

google/skia-buildbot,google/skia-buildbot,google/skia-buildbot,google/skia-buildbot,google/skia-buildbot,google/skia-buildbot,google/skia-buildbot,google/skia-buildbot