Merge from widevine repo of http://go/wvgerrit/14720
The QueryKeyControl test expects an error message that the output
buffer is too small. However, it also gives a bad key id. Some
devices were correctly returning key not found. This corrects the key
id length so that the only error is that the buffer is too small.
bug: 21881768
Change-Id: I96f59ede42eeddc9849fbac1e52acecdb562df08