1. "Change CdmResponseType from enum into a struct"
Merged from http://go/wvgerrit/163199
Bug: 253271674
2. "Log request information when server returns 401"
Bug: 260760387
Bug: 186031735
Merged from http://go/wvgerrit/162798
3. "Specify server version on the command line"
Bug: 251599048
Merged from http://go/wvgerrit/158897
Test: build android.hardware.drm-service.widevine
Test: Netflix and Play Movies & TV
Test: build_and_run_all_unit_tests.sh
Bug: 253271674
Change-Id: I70c950acce070609ee0343920ec68e66b058bc23
096b0eda5a