message: Add types to error message in case of mismatch. NFC.
diff: @@ -610,11 +610,15 @@ bool Tensor::IsInitialized() const {
  }
  void Tensor::CheckType(DataType expected_dtype) const {
  - CHECK_EQ(dtype(), expected_dtype);
  + CHECK_EQ(dtype(), expected_dtype)
  + << DataTypeString(expected_dtype) << " expected, got "
  + << DataTypeString(dtype());
  }
  void Tensor::CheckTypeAndIsAligned(DataType expected_dtype) const {
  - CHECK_EQ(dtype(), expected_dtype);
  + CHECK_EQ(dtype(), expected_dtype)
  + << DataTypeString(expected_dtype) << " expected, got "
  + << DataTypeString(dtype());
  CHECK(IsAligned()) << "CheckTypeAndIsAligned";
  }
  