virgl: gbm: Also convert VIRGL_BIND_SAMPLER_VIEW
We convert GBM_BO_USE_TEXTURING to VIRGL_BIND_SAMPLER_VIEW at Android side, so just convert VIRGL_BIND_SAMPLER_VIEW back to GBM_BO_USE_TEXTURING, otherwise the allocation won't go through gbm.
Signed-off-by: Lepton Wu lepton@chromium.org