ui: Avoid crash when missing metric rows am: 219ef65859 am: 9bf44f66a4 am: 645970680f
ui: Avoid crash when missing metric rows am: 219ef65859 am: 9bf44f66a4 am: 645970680f

Original change: https://android-review.googlesource.com/c/platform/external/perfetto/+/1758329

Change-Id: I22e899beb565f843b48284892968334db31ee41f

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