Reduce resolution of smoke test in PC E2E test framework to reduce load on bots, cause this test isn't part of performance test binary. Bug: webrtc:10138 Change-Id: I2c3758583c03e75be17bfef799a31f63357834c6 Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/128380 Reviewed-by: Artem Titarenko <artit@webrtc.org> Commit-Queue: Artem Titov <titovartem@webrtc.org> Cr-Commit-Position: refs/heads/master@{#27157}