Update ClangToTiOS and EarlGreyiOS bots to use iOS10 SDK

ios/build/bots/chromium.fyi/EarlGreyiOS.json

Index: ios/build/bots/chromium.fyi/EarlGreyiOS.json
diff --git a/ios/build/bots/chromium.fyi/EarlGreyiOS.json b/ios/build/bots/chromium.fyi/EarlGreyiOS.json
index fe1691086fb2e5dcf7f40353d99b26682b6591c3..d4a899da27724b80ed70bbdbead13346e5e37aca 100644
--- a/ios/build/bots/chromium.fyi/EarlGreyiOS.json
+++ b/ios/build/bots/chromium.fyi/EarlGreyiOS.json
@@ -3,10 +3,10 @@
     "huangml"
   ],
   "comments": [
-    "Tests for 64-bit iOS 9.0 simulators.",
+    "Tests for 64-bit iOS 10.0 simulators.",
     "Tests run on iPhone 5s (64-bit)."
   ],
-  "xcode version": "7.0",
+  "xcode version": "8.0",
   "GYP_DEFINES": [
     "OS=ios",
     "chromium_ios_signing=0",
@@ -25,12 +25,12 @@
   "mb_type": "gn",
   "compiler": "ninja",
   "configuration": "Debug",
-  "sdk": "iphonesimulator9.0",
+  "sdk": "iphonesimulator10.0",
   "tests": [
     {
       "app": "ios_web_shell_test_host",
       "device type": "iPhone 5s",
-      "os": "9.0",
+      "os": "10.0",
       "xctest": true
     }
   ]