Refactor FingerprintEnrollFindSensor

Refactor FingerprintEnrollFindSensor to 3 pages for different sensor
types, and apply MVVM for them.

Bug: 259664912
Bug: 260957195
Bug: 260957816
Test: atest FingerprintRepositoryTest FingerprintEnrollmentActivityTest
      AutoCredentialViewModelTest FingerprintEnrollIntroViewModelTest

Change-Id: Iace790952567cac13e61e5175e90555d4da7dfe2

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

@@ -124,8 +124,6 @@ public class FingerprintEnrollmentViewModel extends AndroidViewModel implements
         }
     }
 
-
-
     private boolean isKeyguardSecure() {
         return mKeyguardManager != null && mKeyguardManager.isKeyguardSecure();
     }
@@ -182,4 +180,18 @@ public class FingerprintEnrollmentViewModel extends AndroidViewModel implements
     public void onSaveInstanceState(@NonNull Bundle outState) {
         outState.putBoolean(SAVED_STATE_IS_WAITING_ACTIVITY_RESULT, mIsWaitingActivityResult.get());
     }
+
+    /**
+     * The first sensor type is UDFPS sensor or not
+     */
+    public boolean canAssumeUdfps() {
+        return mFingerprintRepository.canAssumeUdfps();
+    }
+
+    /**
+     * The first sensor type is side fps sensor or not
+     */
+    public boolean canAssumeSfps() {
+        return mFingerprintRepository.canAssumeSfps();
+    }
 }