i965: Fix INTEL_DEBUG=shader_time for SIMD8 VS.
i965: Fix INTEL_DEBUG=shader_time for SIMD8 VS.

In commit 4ebeb71573ad44f7657810dc5dd2c9030e3e63db, I deleted the
emit_shader_time_end() call in emit_urb_writes().  But I failed to add
it to run_vs(), as I intended.  So no data was recorded at all.

Signed-off-by: Kenneth Graunke <bd2562f754ec92342f93f61c25d731e290a2ffa8@whitecape.org>
Reviewed-by: Matt Turner <789b315743a28dd066a4ba1459c35951c291d8a6@gmail.com>

metora/MesaGLSLCompiler,metora/MesaGLSLCompiler,metora/MesaGLSLCompiler