message: Change ref type for vkCmd(Fill|Update)Buffer to CompleteWrite
  `vkCmdFillBuffer` and `vkCmdUpdateBuffer` each replace the contents of the
  buffer in the specified interval, so this should be treated as a CompleteWrite.
diff: @@ -2375,7 +2375,7 @@ void WrappedVulkan::vkCmdUpdateBuffer(VkCommandBuffer commandBuffer, VkBuffer de
  record->AddChunk(scope.Get());
  record->MarkBufferFrameReferenced(GetRecord(destBuffer), destOffset, dataSize,
  - eFrameRef_PartialWrite);
  + eFrameRef_CompleteWrite);
  }
  }
  @@ -2437,7 +2437,7 @@ void WrappedVulkan::vkCmdFillBuffer(VkCommandBuffer commandBuffer, VkBuffer dest
  record->AddChunk(scope.Get());
  record->MarkBufferFrameReferenced(GetRecord(destBuffer), destOffset, fillSize,
  - eFrameRef_PartialWrite);
  + eFrameRef_CompleteWrite);
  }
  }
  