Do not let device sleep after successful auth

Retrying auth, or succeeding is a strong signal that the user
is present. The device should not sleep, otherwise the keyguard
will be dismissed (as it should) but not automatically locked,
since screen timaeouts don't lock instantly.

Test: Manual
Fixes: 135967964
Change-Id: I9a8bcf0ddb80536719d093aab9e00c76d87ad24b

packages/SystemUI/src/com/android/keyguard/KeyguardSecurityContainer.java

@@ -237,6 +237,7 @@ public class KeyguardSecurityContainer extends FrameLayout implements KeyguardSe
                     MIN_DRAG_SIZE, getResources().getDisplayMetrics())
                     && !mUpdateMonitor.isFaceDetectionRunning()) {
                 mUpdateMonitor.requestFaceAuth();
+                mCallback.userActivity();
                 showMessage(null, null);
             }
         }

packages/SystemUI/src/com/android/systemui/statusbar/phone/BiometricUnlockController.java

@@ -260,6 +260,7 @@ public class BiometricUnlockController extends KeyguardUpdateMonitorCallback {
         boolean unlockAllowed = mKeyguardBypassController.onBiometricAuthenticated(
                 biometricSourceType);
         if (unlockAllowed) {
+            mKeyguardViewMediator.userActivity();
             startWakeAndUnlock(biometricSourceType);
         }
     }