Generate a non-zero exit code on test failure
Generate a non-zero exit code on test failure

If there are any failed tests, or the test run was not
compelte, the process will now generate EXIT_FAILURE (1)
instead of EXIT_SUCCESS (0).

Affects:

dEQP-VK.*

Components: Framework

VK-GL-CTS issue: 1982

Change-Id: I061d9a3b6703e1f23c48ce8a31e943744f915c92

KhronosGroup/VK-GL-CTS,KhronosGroup/Vulkan-CTS,KhronosGroup/Vulkan-CTS,KhronosGroup/VK-GL-CTS,KhronosGroup/VK-GL-CTS,KhronosGroup/VK-GL-CTS,KhronosGroup/VK-GL-CTS,KhronosGroup/Vulkan-CTS,KhronosGroup/VK-GL-CTS,KhronosGroup/Vulkan-CTS,KhronosGroup/Vulkan-CTS,KhronosGroup/Vulkan-CTS