Allows the caller to specify which SID the given key should be bound to, overriding the default rule of binding to the current root/fingerprint SID. This is a prerequsite for introducing synthetic password based authentication flow. Test: cts-tradefed run cts -m CtsKeystoreTestCases Bug: 33126414 Change-Id: Ide03c0f4fd33ecca7a169ea763c3d4d0b173d1dd