Log FP & face enrollment state only if it changes.

Bug: 267336592
Test: NA, logging changes
Change-Id: I0e877bfe6869ddebf4f9879143ac4fb1f94920a1

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

@@ -2459,8 +2459,10 @@ public class KeyguardUpdateMonitor implements TrustManager.TrustListener, Dumpab
         Boolean isFaceEnrolled = mFaceManager != null && !mFaceSensorProperties.isEmpty()
                 && mBiometricEnabledForUser.get(userId)
                 && mAuthController.isFaceAuthEnrolled(userId);
+        if (mIsFaceEnrolled != isFaceEnrolled) {
+            mLogger.logFaceEnrolledUpdated(mIsFaceEnrolled, isFaceEnrolled);
+        }
         mIsFaceEnrolled = isFaceEnrolled;
-        mLogger.logFaceEnrolledUpdated(mIsFaceEnrolled, isFaceEnrolled);
     }
 
     public boolean isFaceSupported() {
@@ -3132,13 +3134,14 @@ public class KeyguardUpdateMonitor implements TrustManager.TrustListener, Dumpab
     @VisibleForTesting
     boolean isUnlockWithFingerprintPossible(int userId) {
         // TODO (b/242022358), make this rely on onEnrollmentChanged event and update it only once.
-        boolean fpEnrolled = mFpm != null
+        boolean newFpEnrolled = mFpm != null
                 && !mFingerprintSensorProperties.isEmpty()
                 && !isFingerprintDisabled(userId) && mFpm.hasEnrolledTemplates(userId);
-        mLogger.logFpEnrolledUpdated(userId,
-                mIsUnlockWithFingerprintPossible.getOrDefault(userId, false),
-                fpEnrolled);
-        mIsUnlockWithFingerprintPossible.put(userId, fpEnrolled);
+        Boolean oldFpEnrolled = mIsUnlockWithFingerprintPossible.getOrDefault(userId, false);
+        if (oldFpEnrolled != newFpEnrolled) {
+            mLogger.logFpEnrolledUpdated(userId, oldFpEnrolled, newFpEnrolled);
+        }
+        mIsUnlockWithFingerprintPossible.put(userId, newFpEnrolled);
         return mIsUnlockWithFingerprintPossible.get(userId);
     }