GLES1: Make CTS verbose The `machine` parameters were uninitialized (set to 0 as globals). As a result, the test failure messages were not emitted, making it harder to understand what is failing. Bug: angleproject:3408 Change-Id: Ib8351755af24e01736314d1832160edf10a8e767 Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/3920894 Reviewed-by: Cody Northrop <cnorthrop@google.com> Commit-Queue: Shahbaz Youssefi <syoussefi@chromium.org>