[script][common_options,figure,test_script] Change legends options to

titles for histograms.
4 jobs for fixes in 8 minutes and 46 seconds (queued for 4 seconds)
Status Name Job ID Coverage
  Build
passed build_linux_27 #140946
docker

00:08:30

83.0%
passed build_linux_36 #140947
docker

00:08:29

83.0%
passed build_macosx_27 #140948
macosx

00:08:41

83.0%
passed build_macosx_36 #140949
macosx

00:07:58

83.0%