media: Add External Clear Key content browser test on Android

components/cdm/renderer/android_key_systems.cc

Index: components/cdm/renderer/android_key_systems.cc
diff --git a/components/cdm/renderer/android_key_systems.cc b/components/cdm/renderer/android_key_systems.cc
index 22ca175eaa42957923eab1e4a125f3964bf893c2..7953dd61f195f2683ba7c4a35c5e62c486799c7e 100644
--- a/components/cdm/renderer/android_key_systems.cc
+++ b/components/cdm/renderer/android_key_systems.cc
@@ -91,9 +91,7 @@ class AndroidPlatformKeySystemProperties : public KeySystemProperties {
   const SupportedCodecs supported_codecs_;
 };
 
-}  // namespace
-
-static SupportedKeySystemResponse QueryKeySystemSupport(
+SupportedKeySystemResponse QueryKeySystemSupport(
     const std::string& key_system) {
   SupportedKeySystemRequest request;
   SupportedKeySystemResponse response;
@@ -109,6 +107,8 @@ static SupportedKeySystemResponse QueryKeySystemSupport(
   return response;
 }
 
+}  // namespace
+
 void AddAndroidWidevine(
     std::vector<std::unique_ptr<KeySystemProperties>>* concrete_key_systems) {
   SupportedKeySystemResponse response = QueryKeySystemSupport(