Add missing @SecurityTest annotation to Poc16_08.java

Bug: 73887912
Test: sts-tradefed run sts-userbuild -m CtsSecurityHostTestCases -t android.security.cts.Poc16_08
Change-Id: I71651b0041607912a90cec73470993faab9e3fbe
Merged-In: I71651b0041607912a90cec73470993faab9e3fbe
1 file changed