Jeremy Leconte fa577c5eb6 Fix file open mode issue for the uploader.
This is a forward fix for https://webrtc-review.googlesource.com/c/src/+/255320.
The error is the following:
https://logs.chromium.org/logs/webrtc-internal/buildbucket/cr-buildbucket/8819696929332742321/+/u/webrtc_perf_tests_Dashboard_upload/stdout

Bug: webrtc:13806
Change-Id: I1ccba1be69edf0b1023c1d197d2033bdc718f64b
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/255420
Owners-Override: Jeremy Leconte <jleconte@google.com>
Reviewed-by: Jeremy Leconte <jleconte@google.com>
Commit-Queue: Jeremy Leconte <jleconte@google.com>
Cr-Commit-Position: refs/heads/main@{#36196}
2022-03-14 19:34:46 +00:00
..