Remove --run-ref-build for webview configurations

Bug: 866899
Cq-Include-Trybots: master.tryserver.chromium.perf:obbs_fyi
Change-Id: I9083c01776240859d0802ce0c09786a3d748daea
Reviewed-on: https://chromium-review.googlesource.com/1152485Reviewed-by: Juan Antonio Navarro Pérez <perezju@chromium.org>
Reviewed-by: Annie Sullivan <sullivan@chromium.org>
Commit-Queue: Ned Nguyen <nednguyen@google.com>
Cr-Commit-Position: refs/heads/master@{#578625}

testing/buildbot/chromium.perf.json

@@ -239,7 +239,6 @@
           "--browser=android-webview",
           "--upload-results",
           "--webview-embedder-apk=../../out/Release/apks/SystemWebViewShell.apk",
-          "--run-ref-build",
           "--test-shard-map-filename=android_nexus5x_webview_16_shard_map.json",
           "--assert-gpu-compositing"
         ],
@@ -291,7 +290,6 @@
           "--browser=android-webview",
           "--upload-results",
           "--webview-embedder-apk=../../out/Release/apks/SystemWebViewShell.apk",
-          "--run-ref-build",
           "--test-shard-map-filename=android_nexus6_webview_shard_map.json",
           "--assert-gpu-compositing"
         ],

tools/perf/core/perf_data_generator.py

@@ -314,7 +314,6 @@ NEW_PERF_RECIPE_MIGRATED_TESTERS = {
           'isolate': 'performance_webview_test_suite',
           'num_shards': 16,
           'extra_args': [
-              '--run-ref-build',
               '--test-shard-map-filename=android_nexus5x_webview_16_shard_map.json',
               '--assert-gpu-compositing',
           ],
@@ -335,7 +334,6 @@ NEW_PERF_RECIPE_MIGRATED_TESTERS = {
           'isolate': 'performance_webview_test_suite',
           'num_shards': 16,
           'extra_args': [
-              '--run-ref-build',
               '--test-shard-map-filename=android_nexus6_webview_shard_map.json',
               '--assert-gpu-compositing',
           ],