Starting with py36, DeprecationWarnings are raised for special
characters in strings that are not being used as valid escape sequences.
This addresses a couple instances we had for string replacement by
changing the replacement strings to be raw strings.
Change-Id: I93291e978aacaf3f639f32174605528f0038f13a
Signed-off-by: Sean McGinnis <sean.mcginnis@gmail.com>