[ios] ios13-sdk-sim ios13-beta-sim trybot src Chromium configs

- chromium_trybot recipe set in ci.star for both bots
- mb configs set in mb_config.pyl for both bots, exactly the same
  as the builders

Bug: 1055164,912681
Change-Id: Ib2235e9803ddafddbd7fc44be493ab06fcb74c01
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2121429
Commit-Queue: Jeff Yoon <jeffyoon@chromium.org>
Reviewed-by: Garrett Beaty <gbeaty@chromium.org>
Cr-Commit-Position: refs/heads/master@{#756442}

infra/config/buckets/try.star

@@ -590,10 +590,12 @@ try_.chromium_mac_ios_builder(
 
 try_.chromium_mac_ios_builder(
     name = 'ios13-beta-simulator',
+    executable = 'recipe:chromium_trybot',
 )
 
 try_.chromium_mac_ios_builder(
     name = 'ios13-sdk-simulator',
+    executable = 'recipe:chromium_trybot',
 )
 
 try_.chromium_win_builder(

infra/config/generated/cr-buildbucket.cfg

@@ -17713,7 +17713,7 @@ buckets: <
       dimensions: "cpu:x86-64"
       dimensions: "os:Mac"
       recipe: <
-        name: "ios/try"
+        name: "chromium_trybot"
         cipd_package: "infra/recipe_bundles/chromium.googlesource.com/chromium/tools/build"
         cipd_version: "refs/heads/master"
         properties_j: "$build/goma:{\"rpc_extra_params\":\"?prod\",\"server_host\":\"goma.chromium.org\"}"
@@ -17745,7 +17745,7 @@ buckets: <
       dimensions: "cpu:x86-64"
       dimensions: "os:Mac"
       recipe: <
-        name: "ios/try"
+        name: "chromium_trybot"
         cipd_package: "infra/recipe_bundles/chromium.googlesource.com/chromium/tools/build"
         cipd_version: "refs/heads/master"
         properties_j: "$build/goma:{\"rpc_extra_params\":\"?prod\",\"server_host\":\"goma.chromium.org\"}"

tools/mb/mb_config.pyl

@@ -889,6 +889,8 @@
       'gpu-try-mac-amd-retina-dbg': 'gpu_tests_debug_bot',
       'gpu-try-mac-intel-dbg': 'gpu_tests_debug_bot',
       'ios-device': 'ios_device_release_rbe_compile_only',
+      'ios13-beta-simulator': 'ios_simulator_debug_static_rbe_bot',
+      'ios13-sdk-simulator': 'ios_simulator_debug_static_rbe_bot',
       'ios-simulator': 'ios_simulator_debug_static_rbe_bot',
       'ios-simulator-full-configs': 'ios_simulator_debug_static_bot',
       'ios-simulator-cronet': 'ios_cronet',