[Clank] Implement MediaDrmStorageBridge with MediaDrmStorage

media/base/android/media_drm_storage.cc

Index: media/base/android/media_drm_storage.cc
diff --git a/media/base/android/media_drm_storage.cc b/media/base/android/media_drm_storage.cc
index 4c8119927f0997446828a6c2b9ef925da9bd6345..03e129c2c8d8624527e774375588fcd4172f617d 100644
--- a/media/base/android/media_drm_storage.cc
+++ b/media/base/android/media_drm_storage.cc
@@ -12,6 +12,8 @@ MediaDrmStorage::SessionData::SessionData(std::vector<uint8_t> key_set_id,
                                           std::string mime_type)
     : key_set_id(std::move(key_set_id)), mime_type(std::move(mime_type)) {}
 
+MediaDrmStorage::SessionData::SessionData(const SessionData& other) = default;
+
 MediaDrmStorage::SessionData::~SessionData() {}
 
 MediaDrmStorage::MediaDrmStorage() {}