Add classes to Dynamic STS

* SecurityTestCase
* StagefrightTest

Bug: 196257818
Test: Verify tests get skipped as expected under Incremental
Test: Verify no Business Logic or Dynamic STS exceptions
Test: run sts-dynamic-incremental -m CtsSecurityTestCases -t android.security.cts.StagefrightTest
Test: run sts-dynamic-incremental-user -m CtsSecurityTestCases -t android.security.cts.StagefrightTest
Test: run sts-dynamic-full -m CtsSecurityTestCases -t android.security.cts.StagefrightTest
Test: run sts-dynamic-full-user -m CtsSecurityTestCases -t android.security.cts.StagefrightTest
Test: run sts-dynamic-incremental -m CtsSecurityBulletinHostTestCases
Test: run sts-dynamic-incremental-user -m CtsSecurityBulletinHostTestCases
Test: run sts-dynamic-full -m CtsSecurityBulletinHostTestCases
Test: run sts-dynamic-full-user -m CtsSecurityBulletinHostTestCases

Change-Id: I08f37dde327c56b820b113662f0170dfe460e5b7
Merged-In: I08f37dde327c56b820b113662f0170dfe460e5b7
4 files changed