Fix systrace when parsing from a trace file

Change-Id: Iefc5c5dcb3bc1886c7a660b06e715868c91bafbd
diff --git a/systrace.py b/systrace.py
index 71d3a55..621b0e8 100755
--- a/systrace.py
+++ b/systrace.py
@@ -37,7 +37,7 @@
                     action='store_true', help='link to original CSS or JS resources '
                     'instead of embedding them')
   parser.add_option('--from-file', dest='from_file', action='store',
-                    help='read the trace from a file rather than running a live trace')
+                    help='read the trace from a file (compressed) rather than running a live trace')
   parser.add_option('--asset-dir', dest='asset_dir', default='trace-viewer',
                     type='string', help='')
   parser.add_option('-e', '--serial', dest='device_serial', type='string',
@@ -103,8 +103,7 @@
       sys.stderr.flush()
     if adb.stdout in ready[0]:
       out = leftovers + os.read(adb.stdout.fileno(), 4096)
-      if options.from_file is None:
-        out = out.replace('\r\n', '\n')
+      out = out.replace('\r\n', '\n')
       if out.endswith('\r'):
         out = out[:-1]
         leftovers = '\r'