Add a test to run on iPhone 16

iPhone 16 is only hooked up in the try pool at the moment, so this will fail in the staging pool after landing, following which we can run the test in a second PR in presubmit by changing presubmit to true.

.ci.yaml

diff --git a/.ci.yaml b/.ci.yaml
index 4033c1f..e20a60d 100644
--- a/.ci.yaml
+++ b/.ci.yaml
@@ -327,6 +327,25 @@
         {
           "sdk_version": "16c5032a"
         }
+  mac_arm64_new_ios:
+    properties:
+      contexts: >-
+        [
+          "osx_sdk_devicelab"
+        ]
+      dependencies: >-
+        [
+          {"dependency": "ruby", "version": "ruby_3.1-pod_1.13"},
+          {"dependency": "apple_signing", "version": "none"}
+        ]
+      os: Mac-15
+      cpu: arm64
+      device_os: iOS-18
+      $flutter/osx_sdk : >-
+        {
+          "sdk_version": "16c5032a"
+        }
+        
   windows:
     properties:
       os: Windows-10
@@ -3515,6 +3534,16 @@
         ["devicelab", "ios", "mac"]
       task_name: animated_advanced_blend_perf_ios__timeline_summary
 
+  - name: Mac_arm64_new_ios animated_advanced_blend_perf_ios__timeline_summary
+    recipe: devicelab/devicelab_drone
+    bringup: true
+    presubmit: false
+    timeout: 60
+    properties:
+      tags: >
+        ["devicelab", "ios", "mac", "iphone16"]
+      task_name: animated_advanced_blend_perf_ios__timeline_summary
+
   # Uses Impeller.
   - name: Linux_pixel_7pro rrect_blur_perf__timeline_summary
     recipe: devicelab/devicelab_drone