Enable capture by default on release non-Android bots. This will enable running the trace interpreter tests with ANGLE. Also this cleans up a case where we now default turning off the trace tests when we're building with non-clang. Bug: angleproject:7752 Change-Id: I7019bb969d859e06fafc7621e8620b8a2375261e Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/3971079 Reviewed-by: Cody Northrop <cnorthrop@google.com> Commit-Queue: Cody Northrop <cnorthrop@google.com> Auto-Submit: Jamie Madill <jmadill@chromium.org>