Fix compilation of libtester_main on Linux Replace usage of std::exception by std::runtime_error BUG=angleproject:892 Change-Id: I214fe6a93944dcfb39b0633f46caf3b1187bd5d3 Reviewed-on: https://chromium-review.googlesource.com/275815 Reviewed-by: Geoff Lang <geofflang@chromium.org> Reviewed-by: Jamie Madill <jmadill@chromium.org> Tested-by: Corentin Wallez <cwallez@chromium.org>