Update iOS bots to use the 8.2 SDK

ios/build/bots/tryserver.chromium.mac/ios_dbg_simulator_ninja.json

Index: ios/build/bots/tryserver.chromium.mac/ios_dbg_simulator_ninja.json
diff --git a/ios/build/bots/tryserver.chromium.mac/ios_dbg_simulator_ninja.json b/ios/build/bots/tryserver.chromium.mac/ios_dbg_simulator_ninja.json
index 210769e083a04627accd8c8150f19f8f8df7e4b5..2884bcf798fb054734b39ef69dae00c6e2888659 100644
--- a/ios/build/bots/tryserver.chromium.mac/ios_dbg_simulator_ninja.json
+++ b/ios/build/bots/tryserver.chromium.mac/ios_dbg_simulator_ninja.json
@@ -3,26 +3,26 @@
     "smut"
   ],
   "comments": [
-    "Tests for 32- and 64-bit iOS 8.1 iPhone simulators."
+    "Tests for 32- and 64-bit iOS 8.2 iPhone simulators."
   ],
-  "xcode version": "6.1.1",
+  "xcode version": "6.2",
   "GYP_DEFINES": {
     "chromium_ios_signing": "0",
     "target_subarch": "both"
   },
   "compiler": "ninja",
   "configuration": "Debug",
-  "sdk": "iphonesimulator8.1",
+  "sdk": "iphonesimulator8.2",
   "tests": [
     {
       "include": "common_tests.json",
       "device type": "iPhone 5",
-      "os": "8.1"
+      "os": "8.2"
     },
     {
       "include": "common_tests.json",
       "device type": "iPhone 5s",
-      "os": "8.1"
+      "os": "8.2"
     }
   ]
 }