Secure stop API related changes

[ Merge of http://go/wvgerrit/44921 ]

* Added the ability to remove a single usage information record.
* Added a method to retrieve all secure stop Ids.

Bug: 69674645
Test: WV unit, integration tests
Change-Id: I04ac8224b4bdda69541e61ff1103af3836138228

libwvdrmengine/cdm/core/include/cdm_engine.h

@@ -188,11 +188,13 @@ class CdmEngine {
   virtual CdmResponseType ListStoredLicenses(
       CdmSecurityLevel security_level, std::vector<std::string>* key_set_ids);
 
-  // Return the list of key_set_ids stored as usage records on the
-  // current (origin-specific) file system.
-  virtual CdmResponseType ListUsageRecords(
+  // Return the list of IDs associated with usage records for the
+  // current (origin-specific) file system. At least one parameter
+  // |ksids| or |provider_session_tokens| needs to be supplied.
+  virtual CdmResponseType ListUsageIds(
       const std::string& app_id, CdmSecurityLevel security_level,
-      std::vector<std::string>* ksids);
+      std::vector<std::string>* ksids,
+      std::vector<std::string>* provider_session_tokens);
 
   // Delete the usage record for the given key_set_id. This removes the
   // usage record in the file system and the OEMCrypto usage record.
@@ -220,6 +222,10 @@ class CdmEngine {
   // security levels.
   virtual CdmResponseType RemoveAllUsageInfo(const std::string& app_id);
 
+  virtual CdmResponseType RemoveUsageInfo(
+      const std::string& app_id,
+      const CdmSecureStopId& secure_stop_id);
+
   virtual CdmResponseType ReleaseUsageInfo(
       const CdmUsageInfoReleaseMessage& message);
   virtual CdmResponseType LoadUsageSession(const CdmKeySetId& key_set_id,