Run face detection if bypass is enabled and the user is already trusted.

- If the device is already unlocked using smart lock, we should run face detection to auto-dismiss the lock screen.

Fixes: 285526875
Test: DeviceEntryFaceAuthRepositoryTest
Change-Id: I3dc4eaf6fdf5668fa7c156832b9ab27ce87ef2fc

packages/SystemUI/src/com/android/systemui/keyguard/data/repository/DeviceEntryFaceAuthRepository.kt

@@ -254,13 +254,17 @@ constructor(
 
     private fun observeFaceDetectGatingChecks() {
         // Face detection can run only when lockscreen bypass is enabled
-        // & detection is supported & biometric unlock is not allowed.
+        // & detection is supported
+        //   & biometric unlock is not allowed
+        //     or user is trusted by trust manager & we want to run face detect to dismiss keyguard
         listOf(
                 canFaceAuthOrDetectRun(faceDetectLog),
                 logAndObserve(isBypassEnabled, "isBypassEnabled", faceDetectLog),
                 logAndObserve(
-                    biometricSettingsRepository.isNonStrongBiometricAllowed.isFalse(),
+                    biometricSettingsRepository.isNonStrongBiometricAllowed
-                    "nonStrongBiometricIsNotAllowed",
+                        .isFalse()
+                        .or(trustRepository.isCurrentUserTrusted),
+                    "nonStrongBiometricIsNotAllowedOrCurrentUserIsTrusted",
                     faceDetectLog
                 ),
                 // We don't want to run face detect if fingerprint can be used to unlock the device

packages/SystemUI/tests/src/com/android/systemui/keyguard/data/repository/DeviceEntryFaceAuthRepositoryTest.kt

@@ -625,6 +625,27 @@ class DeviceEntryFaceAuthRepositoryTest : SysuiTestCase() {
             faceDetectIsCalled()
         }
 
+    @Test
+    fun authenticateFallbacksToDetectionWhenUserIsAlreadyTrustedByTrustManager() =
+        testScope.runTest {
+            whenever(faceManager.sensorPropertiesInternal)
+                .thenReturn(listOf(createFaceSensorProperties(supportsFaceDetection = true)))
+            whenever(bypassController.bypassEnabled).thenReturn(true)
+            underTest = createDeviceEntryFaceAuthRepositoryImpl()
+            initCollectors()
+            allPreconditionsToRunFaceAuthAreTrue()
+
+            trustRepository.setCurrentUserTrusted(true)
+            assertThat(canFaceAuthRun()).isFalse()
+            underTest.authenticate(
+                FACE_AUTH_TRIGGERED_SWIPE_UP_ON_BOUNCER,
+                fallbackToDetection = true
+            )
+            faceAuthenticateIsNotCalled()
+
+            faceDetectIsCalled()
+        }
+
     @Test
     fun everythingWorksWithFaceAuthRefactorFlagDisabled() =
         testScope.runTest {