Upgrade http, http_parser and logging to null safety.

Change-Id: I0b64c9a646b9ad0fadbebd6c62d63aa4f04a2665
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/168342
Reviewed-by: Alexander Thomas <athom@google.com>
Commit-Queue: David Morgan <davidmorgan@google.com>

Author: davidmorgan

.dart_tool/package_config.json

@@ -11,7 +11,7 @@
     "constraint, update this by running tools/generate_package_config.dart."
   ],
   "configVersion": 2,
-  "generated": "2020-10-15T16:28:43.685252",
+  "generated": "2020-10-20T09:30:11.069083",
   "generator": "tools/generate_package_config.dart",
   "packages": [
     {
@@ -295,7 +295,7 @@
       "name": "http",
       "rootUri": "../third_party/pkg/http",
       "packageUri": "lib/",
-      "languageVersion": "2.4"
+      "languageVersion": "2.10"
     },
     {
       "name": "http_io",
@@ -313,7 +313,7 @@
       "name": "http_parser",
       "rootUri": "../third_party/pkg/http_parser",
       "packageUri": "lib/",
-      "languageVersion": "2.3"
+      "languageVersion": "2.11"
     },
     {
       "name": "http_retry",
@@ -377,7 +377,7 @@
       "name": "logging",
       "rootUri": "../third_party/pkg/logging",
       "packageUri": "lib/",
-      "languageVersion": "2.0"
+      "languageVersion": "2.10"
     },
     {
       "name": "markdown",
@@ -766,4 +766,4 @@
       "languageVersion": "2.4"
     }
   ]
-}
+}

DEPS

@@ -104,17 +104,17 @@ vars = {
   "html_rev": "22f17e97fedeacaa1e945cf84d8016284eed33a6",
   "http_io_rev": "2fa188caf7937e313026557713f7feffedd4978b",
   "http_multi_server_rev" : "ea269f79321d659208402088f3297e8920a88ee6",
-  "http_parser_rev": "6e63a97b5aaa2b4d1215fe01683e51fb73258e54",
+  "http_parser_rev": "5dd4d16693242049dfb43b5efa429fedbf932e98",
   "http_retry_tag": "0.1.1",
-  "http_rev": "ca418355b5fc60cf981de3bd7364ec0dd943fa8f",
+  "http_rev": "20e3a594872ae1565249c7cfc8977f9a10ca9927",
   "http_throttle_tag" : "1.0.2",
   "icu_rev" : "79326efe26e5440f530963704c3c0ff965b3a4ac",
   "idl_parser_rev": "5fb1ebf49d235b5a70c9f49047e83b0654031eb7",
   "intl_tag": "0.16.1",
   "jinja2_rev": "2222b31554f03e62600cd7e383376a7c187967a1",
   "json_rpc_2_rev": "8f189db8f0c299187a0e8fa959dba7e9b0254be5",
   "linter_tag": "0.1.121",
-  "logging_rev": "1590ba0b648a51e7eb3895c612e4b72f72623b6f",
+  "logging_rev": "9d2a7fdd05b09bc06474881152b5baaf38fd1329",
   "markupsafe_rev": "8f45f5cfa0009d2a70589bcda0349b8cb2b72783",
   "markdown_rev": "6f89681d59541ddb1cf3a58efbdaa2304ffc3f51",
   "matcher_rev": "9cae8faa7868bf3a88a7ba45eb0bd128e66ac515",