Merge from Widevine repo of http://go/wvgerrit/24727 This separates out the logging of decrypt calls from all other calls. This is useful because we sometimes want to trace all the calls in a license request, but we don't want logging of decrypt calls which would slow down playback. b/37353534 b/35141278 Change-Id: I3f172c02778d86e66d0e1f90344a34c4d3b15a9e