Add pagecontroller tests to trybots.

Change-Id: Ida2ec475ad8a63f2d15705e306f65283b44624a7
Bug: 924194
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1853846
Reviewed-by: John Budorick <[email protected]>
Commit-Queue: Andrew Luo <[email protected]>
Cr-Commit-Position: refs/heads/master@{#705769}
diff --git a/testing/buildbot/test_suite_exceptions.pyl b/testing/buildbot/test_suite_exceptions.pyl
index e3bbe141..e093480 100644
--- a/testing/buildbot/test_suite_exceptions.pyl
+++ b/testing/buildbot/test_suite_exceptions.pyl
@@ -282,6 +282,13 @@
       'mac-archive-rel',
     ],
   },
+  'chrome_java_test_pagecontroller_tests': {
+    'modifications': {
+      'android-pie-arm64-rel': {
+        'experiment_percentage': 100, # https://crbug.com/924194
+      },
+    },
+  },
   'chrome_public_test_apk': {
     'remove_from': [
       'android-asan',  # https://crbug.com/964562