Parse du_stats_XXX.txt UL_BLER and draw

Author: Dustin_Chen, email: Dustin_Chen@compal.com or chuhpsdustin@gmail.com

• Please paste the whole du_stats_XXX.txt content below, then it will draw different UE-ID UL-BLER
  • formula: UL-BLER = UL-CRC-FAIL / (UL-CRC-SUCC + UL-CRC-FAIL)
  
  Parse_ulber_and_draw