Convert print statements to print function calls.

This patch was generating by running `2to3` on the files in the
lldb/test directory.  This patch should be NFC, but it does
introduce the `from __future__ import print_function` line, which
will break future uses of the print statement.

llvm-svn: 250763
diff --git a/lldb/test/bench.py b/lldb/test/bench.py
index 05c3a19..664aa3a 100755
--- a/lldb/test/bench.py
+++ b/lldb/test/bench.py
@@ -14,6 +14,8 @@
 See also bench-history.
 """
 
+from __future__ import print_function
+
 import os, sys
 import re
 from optparse import OptionParser
@@ -55,17 +57,17 @@
     # Parses the options, if any.
     opts, args = parser.parse_args()
                           
-    print "Starting bench runner...."
+    print("Starting bench runner....")
 
     for item in benches:
         command = item.replace('%E',
                                '-e "%s"' % opts.exe if opts.exe else '')
         command = command.replace('%X',
                                '-x "%s"' % opts.break_spec if opts.break_spec else '')
-        print "Running %s" % (command)
+        print("Running %s" % (command))
         os.system(command)
 
-    print "Bench runner done."
+    print("Bench runner done.")
 
 if __name__ == '__main__':
     main()