Refactor VUNARY microkernel parameters

- Move mask_table into AVX microkernel parameters to unblock amalgamation

PiperOrigin-RevId: 419115513
diff --git a/test/f32-vneg.yaml b/test/f32-vneg.yaml
index b05fbf5..07b26ba 100644
--- a/test/f32-vneg.yaml
+++ b/test/f32-vneg.yaml
@@ -5,13 +5,21 @@
 - name: xnn_f32_vneg_ukernel__neon_x4
 - name: xnn_f32_vneg_ukernel__neon_x8
 - name: xnn_f32_vneg_ukernel__sse_x4
+  init: xnn_init_f32_neg_sse_params
 - name: xnn_f32_vneg_ukernel__sse_x8
+  init: xnn_init_f32_neg_sse_params
 - name: xnn_f32_vneg_ukernel__avx_x8
+  init: xnn_init_f32_neg_avx_params
 - name: xnn_f32_vneg_ukernel__avx_x16
+  init: xnn_init_f32_neg_avx_params
 - name: xnn_f32_vneg_ukernel__avx512f_x16
+  init: xnn_init_f32_neg_avx512_params
 - name: xnn_f32_vneg_ukernel__avx512f_x32
+  init: xnn_init_f32_neg_avx512_params
 - name: xnn_f32_vneg_ukernel__wasmsimd_x4
+  init: xnn_init_f32_neg_wasmsimd_params
 - name: xnn_f32_vneg_ukernel__wasmsimd_x8
+  init: xnn_init_f32_neg_wasmsimd_params
 - name: xnn_f32_vneg_ukernel__scalar_x1
 - name: xnn_f32_vneg_ukernel__scalar_x2
 - name: xnn_f32_vneg_ukernel__scalar_x4