Capture/Replay: Fix capture on Linux Need to add support for printing "const GLint *" types. We've been falling into the default handler and getting lucky with how other platforms handle ostream with a null value. We use this extensively with glShaderSource(). Test: MEC of an existing trace on Linux Bug: angleproject:7071 Change-Id: I7e4f1fbf2876dddac49ea6583918dbc534070d75 Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/3501201 Reviewed-by: Gert Wollny <gert.wollny@collabora.com> Reviewed-by: Jamie Madill <jmadill@chromium.org> Commit-Queue: Jamie Madill <jmadill@chromium.org>