Merge from Widevine repo of http://go/wvgerrit/95463
In the unit tests ReloadUsageTableWithSkew, we load a header that has
a generation number off by 1. This is allowed. However, we then try to
load the current entry, which is newer than the header. Instead, we
should try to load the entry that went with the header.
Bug: 139828114
Test: Ran unit tests
Change-Id: I87261501d8ee2b91a07c2b5dff17fc0ea950244d