This prevents us from updating some dirty bits in some operations.
It can prevent us from doing things like updating the Program when
we don't use it in a GPU operation.

Also adds Framebuffer dirty bits to TexImage to work around a bug
on the Windows Intel OpenGL driver.

Bug: angleproject:2763
Bug: angleproject:2906
Change-Id: I9f69775fb930a9bbcbd40d0f9012d62a9381c9f8
Reviewed-on: https://chromium-review.googlesource.com/c/1292610Reviewed-by: Jamie Madill <jmadill@chromium.org>
Commit-Queue: Jamie Madill <jmadill@chromium.org>