Many error messages related to uniform block validation were missing,
so there was no output message when linking failed.
Also, the rowMajor validation was missing and was also not set properly
when individual block members were overriding this layout qualifier.

Fixes:
dEQP-GLES3.functional.shaders.linkage.uniform.block.layout_qualifier_mismatch_5

Change-Id: I97309c3ead6e541d6cd9054ecfd29d08206de7da
Reviewed-on: https://swiftshader-review.googlesource.com/15808Tested-by: Alexis Hétu <sugoi@google.com>
Reviewed-by: Nicolas Capens <nicolascapens@google.com>