OEMCrypto v16.1

Merge of http://go/wvgerrit/93404

This CL updates the Widevine CDM to support OEMCrypto v16.1

Test: Tested in 16.2 CL
Bug: 141247171
Change-Id: I69bd993500f6fb63bf6010c8b0250dc7acc3d71b

libwvdrmengine/cdm/core/include/initialization_data.h

@@ -35,6 +35,11 @@ class InitializationData {
   std::vector<video_widevine::WidevinePsshData_EntitledKey> ExtractWrappedKeys()
       const;
   bool contains_entitled_keys() const { return contains_entitled_keys_; }
+  // Dump information to the logs for debugging.
+  void DumpToLogs() const;
+
+  // The static system ID for PSSH boxes indicating Widevine content.
+  static const std::string WidevineSystemID();
 
  private:
   bool SelectWidevinePssh(const CdmInitData& init_data,