Regular sync.

Changes include:
1. Fix refreshkeys when handling renewal response.
2. Change ECM start detect method.
3. Fix signing key truncation.
4. Reformat C++ code.
5. Return license_id in LICENSE_CAS_READY payload.
6. Expose OEMCrypto API version in the license request.
7. Add support for newly added widevine cas ids.
8. Store content iv and encryption mode info to entitled key.
9. Upgrade ODK library to 16.4.

protos/device_files.proto

@@ -81,7 +81,7 @@ message UsageTableInfo {
 
     optional UsageEntryStorage storage = 1;
     optional bytes key_set_id = 2;
-    optional bytes usage_info_file_name = 3; // hash of the app_id
+    optional bytes usage_info_file_name = 3;  // hash of the app_id
   }
 
   optional bytes usage_table_header = 1;
@@ -97,9 +97,7 @@ message File {
     USAGE_TABLE_INFO = 5;
   }
 
-  enum FileVersion {
-    VERSION_1 = 1;
-  }
+  enum FileVersion { VERSION_1 = 1; }
 
   optional FileType type = 1;
   optional FileVersion version = 2 [default = VERSION_1];