This is a reland of 92049513

Original change's description:
> Fix bindFramebuffer problem with GLES2 devices
>
> GLES2 and OpengGL 2 don't support GL_{DRAW,READ}_FRAMEBUFFER.
> Always uses GL_FRAMEBUFFER for them.
>
> Bug: chromium:1167731
> Change-Id: Iab75a27b4c47d0bdaa2ec18a9019fd2d2535b04d
> Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2737062
> Commit-Queue: Peng Huang <penghuang@chromium.org>
> Reviewed-by: Shahbaz Youssefi <syoussefi@chromium.org>
> Reviewed-by: Geoff Lang <geofflang@chromium.org>

Bug: chromium:1167731
Change-Id: I530a47fa3367ca98dbde24e3084515d5562ac8b0
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2743664Reviewed-by: Geoff Lang <geofflang@chromium.org>
Commit-Queue: Peng Huang <penghuang@chromium.org>