Refine FingerprintEnrollmentActivity

1. Add missing test cases for DeviceFoldedViewModel,
   DeviceRotationViewModel, and FingerprintEnrollFindSensorViewModel
2. Move most of init value of ViewModels into
   getDefaultViewModelCreationExtras
3. Fix FindSfpsFragment lottie because of incorrect rotation value.
4. Feed configuration change into DeviceFoldedViewModel

Bug: 260957195
Test: atest CredentialModelTest AutoCredentialViewModelTest
      DeviceFoldedViewModelTest DeviceRotationViewModelTest
      FingerprintEnrollFindSensorViewModelTest
      FingerprintEnrollIntroViewModelTest
      FingerprintEnrollProgressViewModelTest
      FingerprintEnrollmentViewModelTest
      FingerprintEnrollmentActivityTest
Change-Id: Ied55a895bc1774af5bdd256eccd806aaaa1680ef

src/com/android/settings/biometrics2/ui/viewmodel/FingerprintEnrollmentViewModel.java

@@ -33,7 +33,6 @@ import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
 import androidx.annotation.VisibleForTesting;
 import androidx.lifecycle.AndroidViewModel;
-import androidx.lifecycle.DefaultLifecycleObserver;
 import androidx.lifecycle.LiveData;
 import androidx.lifecycle.MutableLiveData;
 
@@ -47,8 +46,7 @@ import java.util.concurrent.atomic.AtomicBoolean;
 /**
  * Fingerprint enrollment view model implementation
  */
-public class FingerprintEnrollmentViewModel extends AndroidViewModel implements
-        DefaultLifecycleObserver {
+public class FingerprintEnrollmentViewModel extends AndroidViewModel {
 
     private static final String TAG = "FingerprintEnrollmentViewModel";
 
@@ -60,32 +58,23 @@ public class FingerprintEnrollmentViewModel extends AndroidViewModel implements
 
     private final AtomicBoolean mIsWaitingActivityResult = new AtomicBoolean(false);
     private final MutableLiveData<ActivityResult> mSetResultLiveData = new MutableLiveData<>();
-
-    /**
-     * Even this variable may be nullable, but activity will call setIntent() immediately during
-     * its onCreate(), we do not assign @Nullable for this variable here.
-     */
-    private EnrollmentRequest mRequest = null;
+    @NonNull private final EnrollmentRequest mRequest;
 
     public FingerprintEnrollmentViewModel(
             @NonNull Application application,
             @NonNull FingerprintRepository fingerprintRepository,
-            @Nullable KeyguardManager keyguardManager) {
+            @Nullable KeyguardManager keyguardManager,
+            @NonNull EnrollmentRequest request) {
         super(application);
         mFingerprintRepository = fingerprintRepository;
         mKeyguardManager = keyguardManager;
-    }
-
-    /**
-     * Set EnrollmentRequest
-     */
-    public void setRequest(@NonNull EnrollmentRequest request) {
         mRequest = request;
     }
 
     /**
      * Get EnrollmentRequest
      */
+    @NonNull
     public EnrollmentRequest getRequest() {
         return mRequest;
     }