Use aidl interface for Widevine service.

The interface is defined in
hardware/interfaces/drm/aidl(http://go/ag/15329852).

Test: build
  m android.hardware.drm-service.widevine -j128

Test: build_and_run_all_unit_tests.sh
  for hidl tests

Test: atest VtsAidlHalDrmTargetTest

Bug: 200055138
Bug: 170964303
Change-Id: If2f2a129914436ba5cef1c46f6cb9415e12c3d1c

libwvdrmengine/cdm/include/wv_content_decryption_module.h

@@ -5,12 +5,12 @@
 #ifndef CDM_BASE_WV_CONTENT_DECRYPTION_MODULE_H_
 #define CDM_BASE_WV_CONTENT_DECRYPTION_MODULE_H_
 
+#include <utils/RefBase.h>
+
 #include <map>
 #include <memory>
 #include <mutex>
 
-#include <utils/RefBase.h>
-
 #include "cdm_identifier.h"
 #include "disallow_copy_and_assign.h"
 #include "file_store.h"
@@ -66,7 +66,7 @@ class WvContentDecryptionModule : public android::RefBase, public TimerHandler {
   virtual CdmResponseType RemoveKeys(const CdmSessionId& session_id);
 
   // Query system information
-  virtual CdmResponseType QueryStatus(SecurityLevel security_level,
+  virtual CdmResponseType QueryStatus(RequestedSecurityLevel security_level,
                                       const std::string& key,
                                       std::string* value);
   // Query session information
@@ -88,12 +88,12 @@ class WvContentDecryptionModule : public android::RefBase, public TimerHandler {
   virtual CdmResponseType GetProvisioningRequest(
       CdmCertificateType cert_type, const std::string& cert_authority,
       const CdmIdentifier& identifier, const std::string& service_certificate,
-      SecurityLevel requested_security_level, CdmProvisioningRequest* request,
-      std::string* default_url);
+      RequestedSecurityLevel requested_security_level,
+      CdmProvisioningRequest* request, std::string* default_url);
 
   virtual CdmResponseType HandleProvisioningResponse(
       const CdmIdentifier& identifier, CdmProvisioningResponse& response,
-      SecurityLevel requested_security_level, std::string* cert,
+      RequestedSecurityLevel requested_security_level, std::string* cert,
       std::string* wrapped_key);
 
   virtual CdmResponseType Unprovision(CdmSecurityLevel level,