Sync from upstream TF. (#474)

tensorflow/lite/core/api/flatbuffer_conversions.cc

@@ -1843,6 +1843,14 @@ TfLiteStatus ParseSin(const Operator*, ErrorReporter*, BuiltinDataAllocator*,
   return kTfLiteOk;
 }
 
+// We have this parse function instead of directly returning kTfLiteOk from the
+// switch-case in ParseOpData because this function is used as part of the
+// selective registration for the OpResolver implementation in micro.
+TfLiteStatus ParseSlice(const Operator*, ErrorReporter*, BuiltinDataAllocator*,
+                        void**) {
+  return kTfLiteOk;
+}
+
 TfLiteStatus ParseSoftmax(const Operator* op, ErrorReporter* error_reporter,
                           BuiltinDataAllocator* allocator,
                           void** builtin_data) {

tensorflow/lite/core/api/flatbuffer_conversions.h

@@ -295,6 +295,9 @@ TfLiteStatus ParseShape(const Operator* op, ErrorReporter* error_reporter,
 TfLiteStatus ParseSin(const Operator* op, ErrorReporter* error_reporter,
                       BuiltinDataAllocator* allocator, void** builtin_data);
 
+TfLiteStatus ParseSlice(const Operator* op, ErrorReporter* error_reporter,
+                        BuiltinDataAllocator* allocator, void** builtin_data);
+
 TfLiteStatus ParseSoftmax(const Operator* op, ErrorReporter* error_reporter,
                           BuiltinDataAllocator* allocator, void** builtin_data);