message: bilinear build fix for arm - use unsigned constant
diff: @@ -289,7 +289,7 @@ inline void ResizeBilinear888Uint8(int32 batches, int32 input_height,
  vst1_u8(&output_base_ptr[c_block + depth * 3], output_data);
  // Accumulate in 8.8 representation, pre-adding 0.5 for later rounding.
  - accum_c_v = vaddq_u16(Move8IntoUpperU16(output_data), vdupq_n_s16(128));
  + accum_c_v = vaddq_u16(Move8IntoUpperU16(output_data), vdupq_n_u16(128));
  }
  // Top-centre margin.
  @@ -411,7 +411,7 @@ inline void ResizeBilinear888Uint8(int32 batches, int32 input_height,
  // Accumulate in 8.8 representation, pre-adding 0.5 for later
  // rounding.
  accum_0_c_v = VReinterpretQU16S16(tl_val << 8);
  - accum_0_c_v = vaddq_u16(accum_0_c_v.val, vdupq_n_s16(128));
  + accum_0_c_v = vaddq_u16(accum_0_c_v.val, vdupq_n_u16(128));
  hdelta_twice_c_v = hdelta_c_v << 1;
  @@ -702,7 +702,7 @@ inline void ResizeBilinear888Uint8(int32 batches, int32 input_height,
  vst1_u8(&output_base_ptr[c_block + depth * 3], output_data);
  // Accumulate in 8.8 representation, pre-adding 0.5 for later rounding.
  - accum_c_v = vaddq_u16(Move8IntoUpperU16(output_data), vdupq_n_s16(128));
  + accum_c_v = vaddq_u16(Move8IntoUpperU16(output_data), vdupq_n_u16(128));
  }
  // Bottom-centre margin.
  