add method getMessageSimId

Change-Id: Ie63ba4bd702ba6dfe40f6f33275b3a5f72e89bda
use MiuiKeyguardViewManager

Change-Id: I8a3010c8e0bf58eb4bcc3a2c14ef0f774eea0429

Conflicts:

	android.policy.jar.out/smali/com/android/internal/policy/impl/KeyguardViewMediator.smali