For D3D11 backend, dirtybits are used to sync and update state
for compute.
For GL backend, mProgramUniformBuffersDirty,
mProgramAtomicCounterBuffersDirty, mProgramImagesDirty are newly
applied.

Bug: angleproject:2814

Change-Id: Ia459ca26705b7c685179d64e0c934535bf16741f
Reviewed-on: https://chromium-review.googlesource.com/1215245Reviewed-by: Jamie Madill <jmadill@chromium.org>
Reviewed-by: Geoff Lang <geofflang@chromium.org>
Commit-Queue: Jie A Chen <jie.a.chen@intel.com>