V8: Switch ignition test steps to the standard suite alias

scripts/slave/recipes/v8.expected/full_client_v8_ports_V8_Arm.json

 [
   {
     "cmd": [
       "python",
       "-u",
       "RECIPE_MODULE[depot_tools::git]/resources/git_setup.py",
       "--path",
       "[SLAVE_BUILD]/swarming.client",
       "--url",
       "https://chromium.googlesource.com/external/swarming.client.git"
@@ skipping 147 matching lines @@
       "--",
       "--progress=verbose",
       "--mode",
       "Release",
       "--arch",
       "arm",
       "--outdir",
       "out",
       "--buildbot",
       "--timeout=200",
-      "--random-seed=597658648",
+      "--random-seed=235478553",
       "bot_default",
       "--exhaustive-variants",
       "--rerun-failures-count=2",
       "--swarming",
       "--json-test-results",
       "${ISOLATED_OUTDIR}/output.json"
     ],
     "name": "[trigger] Check on Ubuntu-14.04",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ skipping 73 matching lines @@
       "--",
       "--progress=verbose",
       "--mode",
       "Release",
       "--arch",
       "arm",
       "--outdir",
       "out",
       "--buildbot",
       "--timeout=200",
-      "--random-seed=597658648",
+      "--random-seed=235478553",
       "benchmarks",
       "--download-data",
       "--exhaustive-variants",
       "--rerun-failures-count=2",
       "--swarming",
       "--json-test-results",
       "${ISOLATED_OUTDIR}/output.json"
     ],
     "name": "[trigger] Benchmarks on Ubuntu-14.04",
     "~followup_annotations": [
@@ skipping 74 matching lines @@
       "--",
       "--progress=verbose",
       "--mode",
       "Release",
       "--arch",
       "arm",
       "--outdir",
       "out",
       "--buildbot",
       "--timeout=200",
-      "--random-seed=597658648",
+      "--random-seed=235478553",
       "optimize_for_size",
       "--extra-flags=--optimize-for-size",
       "--variants=default",
       "--rerun-failures-count=2",
       "--swarming",
       "--json-test-results",
       "${ISOLATED_OUTDIR}/output.json"
     ],
     "name": "[trigger] OptimizeForSize on Ubuntu-14.04",
     "~followup_annotations": [
@@ skipping 74 matching lines @@
       "--",
       "--progress=verbose",
       "--mode",
       "Release",
       "--arch",
       "arm",
       "--outdir",
       "out",
       "--buildbot",
       "--timeout=200",
-      "--random-seed=597658648",
+      "--random-seed=235478553",
       "simdjs",
       "--download-data",
       "--exhaustive-variants",
       "--rerun-failures-count=2",
       "--swarming",
       "--json-test-results",
       "${ISOLATED_OUTDIR}/output.json"
     ],
     "name": "[trigger] SimdJs - all on Ubuntu-14.04",
     "~followup_annotations": [
@@ skipping 45 matching lines @@
       "os",
       "Ubuntu-14.04",
       "--dimension",
       "pool",
       "Chrome",
       "--tag",
       "buildername:V8 Arm",
       "--tag",
       "buildnumber:571",
       "--tag",
-      "data:[dummy hash for ignition]",
+      "data:[dummy hash for bot_default]",
       "--tag",
       "master:client.v8.ports",
       "--tag",
       "name:Ignition",
       "--tag",
       "os:Ubuntu-14.04",
       "--tag",
       "project:v8",
       "--tag",
       "purpose:CI",
       "--tag",
       "purpose:post-commit",
       "--tag",
       "slavename:TestSlavename",
       "--tag",
       "stepname:Ignition - turbofan on Ubuntu-14.04",
       "--idempotent",
-      "[dummy hash for ignition]",
+      "[dummy hash for bot_default]",
       "--",
       "--progress=verbose",
       "--mode",
       "Release",
       "--arch",
       "arm",
       "--outdir",
       "out",
       "--buildbot",
       "--timeout=200",
-      "--random-seed=597658648",
-      "ignition",
+      "--random-seed=235478553",
+      "bot_default",
       "--ignition-turbofan",
       "--variants=ignition_turbofan",
       "--rerun-failures-count=2",
       "--swarming",
       "--json-test-results",
       "${ISOLATED_OUTDIR}/output.json"
     ],
     "name": "[trigger] Ignition - turbofan on Ubuntu-14.04",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ skipping 73 matching lines @@
       "--",
       "--progress=verbose",
       "--mode",
       "Release",
       "--arch",
       "arm",
       "--outdir",
       "out",
       "--buildbot",
       "--timeout=200",
-      "--random-seed=597658648",
+      "--random-seed=235478553",
       "test262",
       "--ignition-turbofan",
       "--download-data",
       "--variants=ignition_turbofan",
       "--rerun-failures-count=2",
       "--swarming",
       "--json-test-results",
       "${ISOLATED_OUTDIR}/output.json"
     ],
     "name": "[trigger] Test262 - ignition - turbofan on Ubuntu-14.04",
@@ skipping 245 matching lines @@
       "@@@STEP_LOG_LINE@durations@Duration: 00:00:101@@@",
       "@@@STEP_LOG_END@durations@@@"
     ]
   },
   {
     "name": "$result",
     "recipe_result": null,
     "status_code": 0
   }
 ]