Replace --also-run-disabled-tests with --all for GPU tests in testing directory

Bug: chromium:937516
Change-Id: Id7055ac6221a94caa3af8928cfa0478eccfb4abf
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1610482Reviewed-by: Kenneth Russell <kbr@chromium.org>
Commit-Queue: Rakib Hasan <rmhasan@google.com>
Cr-Commit-Position: refs/heads/master@{#659317}

testing/scripts/gpu_integration_test_adapter.py

@@ -10,7 +10,7 @@ class GpuIntegrationTestAdapater(common.BaseIsolatedScriptArgsAdapter):
     return ['--write-full-results-to', output]
 
   def generate_test_also_run_disabled_tests_args(self):
-    return ['--also-run-disabled-tests']
+    return ['--all']
 
   def generate_test_filter_args(self, test_filter_str):
     filter_list = common.extract_filter_list(test_filter_str)