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/metrics/include/metrics_collections.h

@@ -156,7 +156,7 @@ class CryptoMetrics {
       crypto_session_load_certificate_private_key_;
   // This uses the requested security level.
   EventMetric<kErrorCodeFieldNumber, CdmResponseType, kSecurityLevelFieldNumber,
-              SecurityLevel>
+              RequestedSecurityLevel>
       crypto_session_open_;
   ValueMetric<uint32_t> crypto_session_system_id_;
   EventMetric<kErrorCodeFieldNumber, CdmResponseType>

libwvdrmengine/cdm/metrics/src/attribute_handler.cpp

@@ -33,8 +33,9 @@ void SetAttributeField<drm_metrics::Attributes::kCdmSecurityLevelFieldNumber,
 
 template <>
 void SetAttributeField<drm_metrics::Attributes::kSecurityLevelFieldNumber,
-                       SecurityLevel>(const SecurityLevel& security_level,
-                                      drm_metrics::Attributes* attributes) {
+                       RequestedSecurityLevel>(
+    const RequestedSecurityLevel& security_level,
+    drm_metrics::Attributes* attributes) {
   attributes->set_security_level(security_level);
 }
 

libwvdrmengine/cdm/metrics/test/counter_metric_unittest.cpp

@@ -112,7 +112,7 @@ TEST(CounterMetricTest, FourFieldsSuccess) {
                 drm_metrics::Attributes::kLengthFieldNumber, Pow2Bucket,
                 drm_metrics::Attributes::kErrorCodeBoolFieldNumber, bool,
                 drm_metrics::Attributes::kSecurityLevelFieldNumber,
-                SecurityLevel>
+                RequestedSecurityLevel>
       metric;
   metric.Increment(10LL, 7, Pow2Bucket(13), true, kLevel3);