Add basic support for array constructors Add limited support for parsing array constructors and writing them out as GLSL code. Still missing from this version: HLSL output, array support in initializer lists, arrays with implicit size. BUG=angleproject:941 Change-Id: I7febf80923c4cd0b730399f1f49f9456cf3668e9 Reviewed-on: https://chromium-review.googlesource.com/260572 Reviewed-by: Geoff Lang <geofflang@chromium.org> Tested-by: Olli Etuaho <oetuaho@nvidia.com>