This is a reland of 027bc47c

Original change's description:
> Workaround for Mac Intel drawArraysInstanced with first > 0
>
> Workaround by forcefully set instanced arrays (divisor > 0)
> as streaming attributes and apply extra offset at front. Recover
> those attribute bindings when first == 0 and other draw calls
> (drawElementsInstanced)
>
> Bug: chromium:1144207, chromium:1144247, chromium:1144373
> Change-Id: Ie7836cc71b45a290513f34f90d49bd15b14ddba8
> Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2661095
> Commit-Queue: Shrek Shao <shrekshao@google.com>
> Reviewed-by: Geoff Lang <geofflang@chromium.org>

Bug: chromium:1144207
Bug: chromium:1144247
Bug: chromium:1144373
Bug: angleproject:5271
Change-Id: Id0b818b25a605376c98c2366c1f2029e2490c6cb
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2704799
Commit-Queue: Shrek Shao <shrekshao@google.com>
Reviewed-by: Geoff Lang <geofflang@chromium.org>