message: PRELU operator doesn't support int16 yet, remove kTfLiteInt16 from PreluPrepare
diff: @@ -667,8 +667,7 @@ TfLiteStatus PreluPrepare(TfLiteContext* context, TfLiteNode* node) {
  output->type = input->type;
  - if (output->type == kTfLiteUInt8 || output->type == kTfLiteInt8 ||
  - output->type == kTfLiteInt16) {
  + if (output->type == kTfLiteUInt8 || output->type == kTfLiteInt8) {
  // prelu(x) = x if x >= 0 else x * alpha.
  // So if we translate that for quantized computation:
  //
  