Vulkan: Correct error message for VK_ERROR_INVALID_SHADER_NV
Vulkan: Correct error message for VK_ERROR_INVALID_SHADER_NV

If an invalid shader is generated, generate the appropriate message
instead of "Unknown error".

Bug: angleproject:3394
Change-Id: I586c99e95cd72daeaf74b4d1eff352942e01d8b7
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/1982783
Reviewed-by: Jamie Madill <7e492b4f1c8458024932de3ba475cbf015424c30@chromium.org>
Reviewed-by: Shahbaz Youssefi <582eeec4f08a2ccd61e3ef52115e6e7c571582de@chromium.org>
Commit-Queue: Shahbaz Youssefi <582eeec4f08a2ccd61e3ef52115e6e7c571582de@chromium.org>

ppy/angle,ppy/angle,ppy/angle,ppy/angle