Provisioning 3.0: Changes to Provisioning and Service Certs.

[ Merge of http://go/wvgerrit/23360 ]

Service Certificates are used in two places, provisioning and
licensing. The service certificate code depended on a session_id
to get and set the service certificate properties, but the session_id
was not available in the provisioning path.

This patch pulls out the property lookup by session_id dependency,
and passes the CdmImpl's property_set into the provisioning code, so
the service certificate can be read and written there.

Bug: 62972441

Test: WV unit/integration tests. This introduces three test failures
  * WvCdmRequestLicenseTest.PrivacyModeWithServiceCertificateTest
  * Cdm/WvCdmStreamingLicenseRenewalTest.WithClientId/4
  * Cdm/WvCdmOfflineLicenseReleaseTest.WithClientId/3

Change-Id: I6e9d4e23a9e7e81a63a994db8ec0b443893449a6

libwvdrmengine/cdm/core/src/crypto_session.cpp

@@ -292,6 +292,8 @@ bool CryptoSession::GetInternalDeviceUniqueId(std::string* device_id) {
   if (pre_provision_token_type_ == kClientTokenOemCert) {
     return GetTokenFromOemCert(device_id);
   } else {
+    // Device's authentication root is a keybox.
+    // Or not. If no keybox, let the OEMCrypto call fail.
     std::vector<uint8_t> id;
     size_t id_length = 32;
     id.resize(id_length);
@@ -348,6 +350,8 @@ bool CryptoSession::GetApiVersion(uint32_t* version) {
 }
 
 bool CryptoSession::GetSystemId(uint32_t* system_id) {
+  // TODO(gmorgan): if Prov 3.0, get system ID from DRM Device Cert. If
+  // DRM Device Cert is not available (e.g., not yet provisioned), return false.
   if (!system_id) {
     LOGE("CryptoSession::GetSystemId: No buffer passed to method.");
     return false;
@@ -496,6 +500,7 @@ bool CryptoSession::ExtractSystemIdFromOemCert(const std::string& oem_cert,
 
 
 bool CryptoSession::GetProvisioningId(std::string* provisioning_id) {
+  // TODO(gmorgan): if Prov 3.0, return false (no "provisioning ID" available).
   if (!provisioning_id) {
     LOGE("CryptoSession::GetProvisioningId : No buffer passed to method.");
     return false;