Make minidump tests Python 3-compatible

Makes it possible to run //tools/perf/core/minidump_unittests.py under
Python 3 on Linux. Other platforms may work, but have not yet been
verified.

Bug: 1198237
Change-Id: I2ba57111eb8704d446fd42f4a2d229252ec9627e
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/3169966
Reviewed-by: Dirk Pranke <dpranke@google.com>
Reviewed-by: David Schinazi <dschinazi@chromium.org>
Reviewed-by: Lei Zhang <thestig@chromium.org>
Commit-Queue: Brian Sheedy <bsheedy@chromium.org>
Cr-Commit-Position: refs/heads/main@{#926914}
NOKEYCHECK=True
GitOrigin-RevId: f9ffd52ad608b7302976b3557f5fb6d3c8f4fffe
1 file changed