Log monitor encoding fix (#729)

Fixed log monitor encoding bug.

Tools/LyTestTools/ly_test_tools/log/log_monitor.py

@@ -44,7 +44,7 @@ def check_exact_match(line, expected_line):
 
     # Look for either start of line or whitespace, then the expected_line, then either end of the line or whitespace.
     # This way we don't partial match inside of a string.  So for example, 'foo' matches 'foo bar' but not 'foobar'
-    regex_pattern = re.compile("(^|\\s){}($|\\s)".format(re.escape(expected_line)))
+    regex_pattern = re.compile("(^|\\s){}($|\\s)".format(re.escape(expected_line)), re.UNICODE)
     if regex_pattern.search(line) is not None:
         return expected_line
 
@@ -125,7 +125,7 @@ class LogMonitor(object):
         self.py_log = ""
         try:
             logger.debug("Monitoring log file in '{}' ".format(self.log_file_path))
-            with open(self.log_file_path, mode='r') as log:
+            with open(self.log_file_path, mode='r', encoding='utf-8') as log:
                 logger.info(
                     "Monitoring log file '{}' for '{}' seconds".format(self.log_file_path, timeout))