Turns out the issue for the skia bug is not related to index range
cache but simply several new drawElemnts variants are not properly
hooked up.

Change-Id: I2d1ae15c74233185e4fee8a1443ffe0477f9c444
Bug: angleproject:3402, angleproject:4536
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2137943
Commit-Queue: Jamie Madill <jmadill@chromium.org>
Reviewed-by: Jamie Madill <jmadill@chromium.org>