[Telemetry] Set same settings on memory cache http server that WPR sets.

It looks like the error that the windows dom_perf tests are hitting could be
caused by improperly closing the socket, which this might fix.

error: [Errno 10053] An established connection was aborted by the software in your host machine

BUG=335624

Review URL: https://codereview.chromium.org/259623003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@266074 0039d316-1c4b-4281-b951-d872f2087c98

tools/telemetry/telemetry/core/memory_cache_http_server.py

@@ -23,6 +23,9 @@ ResourceAndRange = namedtuple('ResourceAndRange', ['resource', 'byte_range'])
 
 class MemoryCacheHTTPRequestHandler(SimpleHTTPServer.SimpleHTTPRequestHandler):
 
+  protocol_version = 'HTTP/1.1'  # override BaseHTTPServer setting
+  wbufsize = -1  # override StreamRequestHandler (a base class) setting
+
   def do_GET(self):
     """Serve a GET request."""
     resource_range = self.SendHead()