The traces now contain the original resolution they ran with,
so we can set that based on testID.

This fixes correctness problems on Android, where only a fraction
of the screen could be seen during replay.

Bug: b/159238311
Test: angle_perftests --gtest_filter="*Trace*"
Change-Id: I47b92ee31681998260bad059cde0856a25ae0fc6
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2250863
Commit-Queue: Cody Northrop <cnorthrop@google.com>
Reviewed-by: Manh Nguyen <nguyenmh@google.com>
Reviewed-by: Jamie Madill <jmadill@chromium.org>