Implement generate_test_also_run_disabled_tests_args for Telemetry unittest script

Bug: 893618
Change-Id: I56f6c0ccf0c7cecfa419d557ed9fc444f500cd2d
Reviewed-on: https://chromium-review.googlesource.com/c/1287039Reviewed-by: Caleb Rouleau <crouleau@chromium.org>
Reviewed-by: Kenneth Russell <kbr@chromium.org>
Commit-Queue: Ned Nguyen <nednguyen@google.com>
Cr-Commit-Position: refs/heads/master@{#600633}

testing/scripts/common.py

@@ -281,8 +281,7 @@ class BaseIsolatedScriptArgsAdapter(object):
     del retry_limit  # unused
     raise RuntimeError('this method is not yet implemented')
 
-  def generate_test_also_run_disabled_tests_args(self, also_run_disabled_tests):
-    del also_run_disabled_tests  # unused
+  def generate_test_also_run_disabled_tests_args(self):
     raise RuntimeError('this method is not yet implemented')
 
   def generate_sharding_args(self, total_shard, shard_index):
@@ -312,8 +311,7 @@ class BaseIsolatedScriptArgsAdapter(object):
 
     # Augment test also run disable tests args if needed
     if self.options.isolated_script_test_also_run_disabled_tests:
-      isolated_script_cmd += self.generate_test_also_run_disabled_tests_args(
-          self.options.isolated_script_test_also_run_disabled_tests)
+      isolated_script_cmd += self.generate_test_also_run_disabled_tests_args()
 
     # Augment shard args if needed
     env = os.environ.copy()

testing/scripts/run_telemetry_as_googletest.py

@@ -41,6 +41,9 @@ class TelemetryUnittestAdapter(common.BaseIsolatedScriptArgsAdapter):
   def generate_test_output_args(self, output):
     return ['--write-full-results-to', output]
 
+  def generate_test_also_run_disabled_tests_args(self):
+    return ['--also-run-disabled-tests']
+
   def generate_test_filter_args(self, test_filter_str):
     return ['--test-filter', test_filter_str]