Automated sync from github.com/tensorflow/tensorflow (#3027)

BUG=automated sync from upstream
NO_CHECK_TFLITE_FILES=automated sync from upstream

tensorflow/lite/core/api/flatbuffer_conversions.h

@@ -42,9 +42,8 @@ class BuiltinDataAllocator {
   // deallocation.
   template <typename T>
   T* AllocatePOD() {
-    // TODO(b/154346074): Change this to is_trivially_destructible when all
-    // platform targets support that properly.
-    static_assert(std::is_pod<T>::value, "Builtin data structure must be POD.");
+    static_assert(std::is_trivially_destructible<T>::value,
+                  "Builtin data structure must be POD.");
     void* allocated_memory = this->Allocate(sizeof(T), alignof(T));
     return new (allocated_memory) T();
   }