When a line from the XML file contains a character which grep classifies
as a binary one, it will omit this line at all. Moreover it will append
'Binary file matches' to the stdout. This behavior breaks some XML files.
To fix this issue, let's tell grep to process a binary file as if it were
text.
Change-Id: I6ec5689f73a0926870e502f3f8ee77346b47d05f
65f03f1408