Align memory access in Copy32FixedTo32FVertexData Bug: angleproject:2895 Change-Id: Idfe379e34c4f165b91babcb1990df28fa151d807 Reviewed-on: https://chromium-review.googlesource.com/c/1286373 Commit-Queue: Yuly Novikov <ynovikov@chromium.org> Reviewed-by: Jamie Madill <jmadill@chromium.org>