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/oemcrypto/mock/src/oemcrypto_usage_table_mock.h

@@ -81,8 +81,11 @@ class UsageTableEntry {
 
 class UsageTable {
  public:
-  explicit UsageTable(CryptoEngine* ce)
-      : ce_(ce), header_loaded_(false), old_table_(NULL){};
+  UsageTable(CryptoEngine* ce, wvcdm::FileSystem* /* file_system */)
+      : ce_(ce),
+        /* TODO: unused: file_system_(file_system), */
+        header_loaded_(false),
+        old_table_(NULL){};
   ~UsageTable();
 
   OEMCryptoResult CreateNewUsageEntry(SessionContext* session,
@@ -125,6 +128,7 @@ class UsageTable {
   bool LoadGenerationNumber(bool or_make_new_one);
 
   CryptoEngine* ce_;
+  /* TODO: unused: wvcdm::FileSystem* file_system_; */
   bool header_loaded_;
   int64_t master_generation_number_;
   std::vector<int64_t> generation_numbers_;