Merge "Add a tab in front of stack samples in report_sample.py" am: 643beabd46 am: 76a2102f08 am: 1c9747ad3c

Original change: https://android-review.googlesource.com/c/platform/system/extras/+/1831332

Change-Id: Ic1c96cbb49477bb5f06fdb35d24bcc725657ce99