Skip Mac-10.13.4 for iOS 10 tests, because the machines don't have the SDK

Bug: None
Change-Id: I2067bf7d99e658e1f4d60bff6ba3d2b709261306
Reviewed-on: https://webrtc-review.googlesource.com/79940
Reviewed-by: Mirko Bonadei <mbonadei@webrtc.org>
Commit-Queue: Oleh Prypin <oprypin@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#23448}
diff --git "a/tools_webrtc/ios/client.webrtc.branches/iOS \050beta\051.json" "b/tools_webrtc/ios/client.webrtc.branches/iOS \050beta\051.json"
index 8912312..5ab132e 100644
--- "a/tools_webrtc/ios/client.webrtc.branches/iOS \050beta\051.json"
+++ "b/tools_webrtc/ios/client.webrtc.branches/iOS \050beta\051.json"
@@ -25,7 +25,7 @@
           "pool": "Chrome"
         },
         {
-          "os": "Mac-10.13",
+          "os": "Mac-10.13.3",
           "pool": "Chrome"
         }
       ]
diff --git "a/tools_webrtc/ios/client.webrtc.branches/iOS \050stable\051.json" "b/tools_webrtc/ios/client.webrtc.branches/iOS \050stable\051.json"
index 8912312..5ab132e 100644
--- "a/tools_webrtc/ios/client.webrtc.branches/iOS \050stable\051.json"
+++ "b/tools_webrtc/ios/client.webrtc.branches/iOS \050stable\051.json"
@@ -25,7 +25,7 @@
           "pool": "Chrome"
         },
         {
-          "os": "Mac-10.13",
+          "os": "Mac-10.13.3",
           "pool": "Chrome"
         }
       ]
diff --git "a/tools_webrtc/ios/client.webrtc/iOS64_Sim_Debug_\050iOS_10.0\051.json" "b/tools_webrtc/ios/client.webrtc/iOS64_Sim_Debug_\050iOS_10.0\051.json"
index fe7558e..708f3ce 100644
--- "a/tools_webrtc/ios/client.webrtc/iOS64_Sim_Debug_\050iOS_10.0\051.json"
+++ "b/tools_webrtc/ios/client.webrtc/iOS64_Sim_Debug_\050iOS_10.0\051.json"
@@ -25,7 +25,7 @@
           "pool": "Chrome"
         },
         {
-          "os": "Mac-10.13",
+          "os": "Mac-10.13.3",
           "pool": "Chrome"
         }
       ]
diff --git a/tools_webrtc/ios/internal.client.webrtc/iOS64_Debug.json b/tools_webrtc/ios/internal.client.webrtc/iOS64_Debug.json
index 4a13c57..1531f86 100644
--- a/tools_webrtc/ios/internal.client.webrtc/iOS64_Debug.json
+++ b/tools_webrtc/ios/internal.client.webrtc/iOS64_Debug.json
@@ -29,7 +29,7 @@
           "pool": "Chrome"
         },
         {
-          "os": "Mac-10.13",
+          "os": "Mac-10.13.3",
           "pool": "Chrome"
         }
       ]
diff --git a/tools_webrtc/ios/internal.client.webrtc/iOS64_Release.json b/tools_webrtc/ios/internal.client.webrtc/iOS64_Release.json
index e8c2d62..8e5db4d 100644
--- a/tools_webrtc/ios/internal.client.webrtc/iOS64_Release.json
+++ b/tools_webrtc/ios/internal.client.webrtc/iOS64_Release.json
@@ -30,7 +30,7 @@
           "pool": "Chrome"
         },
         {
-          "os": "Mac-10.13",
+          "os": "Mac-10.13.3",
           "pool": "Chrome"
         }
       ]
diff --git a/tools_webrtc/ios/internal.tryserver.webrtc/ios_arm64_dbg.json b/tools_webrtc/ios/internal.tryserver.webrtc/ios_arm64_dbg.json
index 4a13c57..1531f86 100644
--- a/tools_webrtc/ios/internal.tryserver.webrtc/ios_arm64_dbg.json
+++ b/tools_webrtc/ios/internal.tryserver.webrtc/ios_arm64_dbg.json
@@ -29,7 +29,7 @@
           "pool": "Chrome"
         },
         {
-          "os": "Mac-10.13",
+          "os": "Mac-10.13.3",
           "pool": "Chrome"
         }
       ]
diff --git a/tools_webrtc/ios/internal.tryserver.webrtc/ios_arm64_rel.json b/tools_webrtc/ios/internal.tryserver.webrtc/ios_arm64_rel.json
index e8c2d62..8e5db4d 100644
--- a/tools_webrtc/ios/internal.tryserver.webrtc/ios_arm64_rel.json
+++ b/tools_webrtc/ios/internal.tryserver.webrtc/ios_arm64_rel.json
@@ -30,7 +30,7 @@
           "pool": "Chrome"
         },
         {
-          "os": "Mac-10.13",
+          "os": "Mac-10.13.3",
           "pool": "Chrome"
         }
       ]
diff --git a/tools_webrtc/ios/tryserver.webrtc/ios64_sim_ios10_dbg.json b/tools_webrtc/ios/tryserver.webrtc/ios64_sim_ios10_dbg.json
index 44a6063..70c9976 100644
--- a/tools_webrtc/ios/tryserver.webrtc/ios64_sim_ios10_dbg.json
+++ b/tools_webrtc/ios/tryserver.webrtc/ios64_sim_ios10_dbg.json
@@ -26,7 +26,7 @@
           "pool": "Chrome"
         },
         {
-          "os": "Mac-10.13",
+          "os": "Mac-10.13.3",
           "pool": "Chrome"
         }
       ]