Check the android bot do not override default origin trial key.

The origin trial "CrossOriginOpenerPolicyReporting" is not properly
recognized on the Android bot.

I suspect the default origin trial test key is overriden. This patch
adds a check to ensure this isn't the case.

Bug: 1119555,1116413
Change-Id: I86e8f1fe6b5e2cc7b8ffd301bc96c0d4d810a844
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2374788Reviewed-by: Camille Lamy <clamy@chromium.org>
Commit-Queue: Arthur Sonzogni <arthursonzogni@chromium.org>
Cr-Commit-Position: refs/heads/master@{#802147}

content/browser/cross_origin_opener_policy_browsertest.cc

@@ -2370,6 +2370,11 @@ class CoopReportingOriginTrialBrowserTest : public ContentBrowserTest {
   void SetUpCommandLine(base::CommandLine* command_line) final {
     ContentBrowserTest::SetUpCommandLine(command_line);
     command_line->AppendSwitch(switches::kIgnoreCertificateErrors);
+
+    // TODO(https://crbug.com/1119555): Remove this once fixed.
+    // This test relies on the origin-trial's public key to keep its default
+    // value. Overriding it would break the test.
+    CHECK(!command_line->HasSwitch("origin-trial-public-key"));
   }
 
  private: