samples: Do not attempt to clean line endings for *.py DO NOT MERGE

The line endings script changes line endings, but also
removes the executable permissions of the files. We don't
want this to happen for scripts such as systrace.py

(cherry picked from commit de3fa5df078bc751a5c7640d965ed9c57c1d909f)

Change-Id: Icee78118d0d7367176e8561338ae547228ee087d
1 file changed