FrameCatpure: Move capturing default vertex attribs to function. Don't capture these on GLES1, due to the unavailability of glVertexAtrrib4fv. Bug: angleproject:5893 Change-Id: Iafbc9219cfc0a0c1d0a55e112ee88d7180ed94f7 Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2877235 Commit-Queue: Lubosz Sarnecki <lubosz.sarnecki@collabora.com> Reviewed-by: Jamie Madill <jmadill@chromium.org> Reviewed-by: Cody Northrop <cnorthrop@google.com>