(This is a merge of http://go/wvgerrit/29121)
This commit adds unit tests for globally unprovisioning with a SPOID and
to validate that SPOIDs vary in the expected ways depending on the
inputs they are given.
This change also fixes some indentation that was off and was getting
copied around the file.
Bug: 37179588
Test: libwvdrmdrmplugin_hidl_test
Change-Id: Ie9604b974228d151e1b32680c42824a66412bad7