Update iOS11 beta simulator on upstream fyi to latest xcode9.4.1 9f2000

Cq-Include-Trybots: luci.chromium.try:ios-simulator-full-configs;master.tryserver.chromium.mac:ios-simulator-cronet
Change-Id: I56e160def6e650e65bd1861e6143894072546b4c
Reviewed-on: https://chromium-review.googlesource.com/1118845
Commit-Queue: Lindsay Pasricha <lindsayw@chromium.org>
Reviewed-by: Justin Cohen <justincohen@chromium.org>
Reviewed-by: Sergey Berezin <sergeyberezin@chromium.org>
Cr-Commit-Position: refs/heads/master@{#573855}

ios/build/bots/chromium.fyi/ios11-beta-simulator.json

@@ -19,70 +19,70 @@
       "device type": "iPhone X",
       "os": "11.4",
       "host os": "Mac-10.13",
-      "xcode build version": "9q1019a"
+      "xcode build version": "9f2000"
     },
     {
       "include": "eg_tests.json",
       "device type": "iPhone X",
       "os": "11.4",
       "host os": "Mac-10.13",
-      "xcode build version": "9q1019a"
+      "xcode build version": "9f2000"
     },
     {
       "include": "eg_tests.json",
       "device type": "iPad Air",
       "os": "11.4",
       "host os": "Mac-10.13",
-      "xcode build version": "9q1019a"
+      "xcode build version": "9f2000"
     },
     {
       "include": "eg_tests.json",
       "device type": "iPhone 5s",
       "os": "11.4",
       "host os": "Mac-10.13",
-      "xcode build version": "9q1019a"
+      "xcode build version": "9f2000"
     },
     {
       "include": "eg_tests.json",
       "device type": "iPhone 6s Plus",
       "os": "11.4",
       "host os": "Mac-10.13",
-      "xcode build version": "9q1019a"
+      "xcode build version": "9f2000"
     },
     {
       "include": "screen_size_dependent_tests.json",
       "device type": "iPad Air 2",
       "os": "11.4",
       "host os": "Mac-10.13",
-      "xcode build version": "9q1019a"
+      "xcode build version": "9f2000"
     },
     {
       "include": "screen_size_dependent_tests.json",
       "device type": "iPhone 5s",
       "os": "11.4",
       "host os": "Mac-10.13",
-      "xcode build version": "9q1019a"
+      "xcode build version": "9f2000"
     },
     {
       "include": "screen_size_dependent_tests.json",
       "device type": "iPhone 6s",
       "os": "11.4",
       "host os": "Mac-10.13",
-      "xcode build version": "9q1019a"
+      "xcode build version": "9f2000"
     },
     {
       "include": "screen_size_dependent_tests.json",
       "device type": "iPhone 6s Plus",
       "os": "11.4",
       "host os": "Mac-10.13",
-      "xcode build version": "9q1019a"
+      "xcode build version": "9f2000"
     },
     {
       "include": "screen_size_dependent_tests.json",
       "device type": "iPhone X",
       "os": "11.4",
       "host os": "Mac-10.13",
-      "xcode build version": "9q1019a"
+      "xcode build version": "9f2000"
     }
   ]
 }