Vulkan: Prevent out of bounds read in divisor emulation path. Split the replicated part of StreamVertexData out to StreamVertexDataWithDivisor, there is only a partial argument overlap between the two. Bug: chromium:1285885 Change-Id: Ibf6ab3efc6b12b430b1d391c6ae61bd9668b4407 Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/3398816 Reviewed-by: Jamie Madill <jmadill@chromium.org> Reviewed-by: Shahbaz Youssefi <syoussefi@chromium.org> Commit-Queue: Roman Lavrov <romanl@google.com>