[ Merge of http://go/wvgerrit/150349 ]
The device id for prov4 is hash of the encoded device public key
(COSE_key).
Also replaced a few bug numbers if it is prov3 specific (not related to prov4).
Bug: 225216277
Bug: 236317198
Test: oemcrypto_test
Change-Id: Ica1c8579c0a3ef83c70f331283c9cce629c6bb3f