message: Whitelist trigonometric ops for flex conversion
diff: @@ -78,6 +78,8 @@ bool IsWhitelistedFlexOp(const std::string& tensorflow_op_name) {
  "Conv2D",
  "Conv2DBackpropFilter",
  "Conv2DBackpropInput",
  + "Cos",
  + "Cosh",
  "CropAndResize",
  "CropAndResizeGradBoxes",
  "CropAndResizeGradImage",
  @@ -327,6 +329,8 @@ bool IsWhitelistedFlexOp(const std::string& tensorflow_op_name) {
  "Sigmoid",
  "SigmoidGrad",
  "Sign",
  + "Sin",
  + "Sinh",
  "Size",
  "Slice",
  "Softmax",
  @@ -384,6 +388,7 @@ bool IsWhitelistedFlexOp(const std::string& tensorflow_op_name) {
  "Sum",
  "Switch",
  "SymbolicGradient",
  + "Tan",
  "Tanh",
  "TanhGrad",
  "TemporaryVariable",
  