glsl: Track matrix layout of variables using two bits

Fixes gles3conform failures in:

ES3-CTS.shaders.uniform_block.random.nested_structs_arrays_instance_arrays.3
ES3-CTS.shaders.uniform_block.random.all_per_block_buffers.13

Causes gles3conform failures in:

ES3-CTS.shaders.uniform_block.random.all_per_block_buffers.9

This failure will be fixed shortly.

v2: Use without_array() instead of older predicates.

v3: s/GLSL_MATRIX_LAYOUT_DEFAULT/GLSL_MATRIX_LAYOUT_INHERITED/g

Signed-off-by: Ian Romanick <ian.d.romanick@intel.com>
Reviewed-by: Matt Turner <mattst88@gmail.com> [v1]

src/glsl/link_uniform_blocks.cpp

@@ -77,7 +77,7 @@ private:
 
       v->Name = ralloc_strdup(mem_ctx, name);
       v->Type = type;
-      v->RowMajor = row_major;
+      v->RowMajor = type->without_array()->is_matrix() && row_major;
 
       if (this->is_array_instance) {
          v->IndexName = ralloc_strdup(mem_ctx, name);