Bump up swarming priority for ios-sim-full-configs tests.

Bug: 850565
Cq-Include-Trybots: luci.chromium.try:ios-simulator-full-configs;master.tryserver.chromium.mac:ios-simulator-cronet
Change-Id: I6976b6e8a99938fd93a630955b9358153ab09fba
Reviewed-on: https://chromium-review.googlesource.com/1091280Reviewed-by: Sergey Berezin <sergeyberezin@chromium.org>
Commit-Queue: Ben Pastene <bpastene@chromium.org>
Cr-Commit-Position: refs/heads/master@{#565435}

ios/build/bots/chromium.mac/ios-simulator-full-configs.json

@@ -36,7 +36,8 @@
           "os": "Mac-10.13",
           "pool": "Chrome"
         }
-      ]
+      ],
+      "priority": 29
     },
     {
       "include": "eg_tests.json",
@@ -51,7 +52,8 @@
           "os": "Mac-10.13",
           "pool": "Chrome"
         }
-      ]
+      ],
+      "priority": 29
     },
     {
       "include": "eg_tests.json",
@@ -66,7 +68,8 @@
           "os": "Mac-10.13",
           "pool": "Chrome"
         }
-      ]
+      ],
+      "priority": 29
     },
     {
       "include": "eg_tests.json",
@@ -84,7 +87,8 @@
           "os": "Mac-10.13",
           "pool": "Chrome"
         }
-      ]
+      ],
+      "priority": 29
     },
     {
       "include": "eg_tests.json",
@@ -99,7 +103,8 @@
           "os": "Mac-10.13",
           "pool": "Chrome"
         }
-      ]
+      ],
+      "priority": 29
     },
     {
       "include": "eg_cq_tests.json",
@@ -117,7 +122,8 @@
           "os": "Mac-10.13",
           "pool": "Chrome"
         }
-      ]
+      ],
+      "priority": 29
     },
     {
       "include": "eg_cq_tests.json",
@@ -132,7 +138,8 @@
           "os": "Mac-10.13",
           "pool": "Chrome"
         }
-      ]
+      ],
+      "priority": 29
     }
   ]
 }