Merge from Widevine repo of http://go/wvgerrit/98265
Previously, if we tried to shrink the usage table over an entry in
use, we expected an error. Now, we expect the specific error,
OEMCrypto_ERROR_ENTRY_IN_USE.
Test: unit tests on taimen
Bug: 124776024
Change-Id: I2b4b872943bf65401c0a6b5dc1237d77341b1f5b