Add setting to disable PIN animation and password

Test: Unit - atest SettingsRoboTests
Test: Manual - Set PIN lock and enabled/disabled the setting to observe animation change during PIN entry
Bug: b/204799468
Merged-In: I587b993ef5515a075442e82ebafae88bebdffc20
Change-Id: I587b993ef5515a075442e82ebafae88bebdffc20

src/com/android/settings/security/screenlock/PinPrivacyPreferenceController.kt

@@ -0,0 +1,60 @@
+/*
+ * Copyright (C) 2023 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.settings.security.screenlock
+
+import android.content.Context
+import android.provider.Settings
+import androidx.preference.Preference
+import androidx.preference.TwoStatePreference
+import com.android.internal.widget.LockPatternUtils
+import com.android.internal.widget.LockPatternUtils.*
+import com.android.settings.core.PreferenceControllerMixin
+import com.android.settingslib.core.AbstractPreferenceController
+
+class PinPrivacyPreferenceController(
+    context: Context,
+    private val userId: Int,
+    private val lockPatternUtils: LockPatternUtils
+) : AbstractPreferenceController(context), PreferenceControllerMixin,
+    Preference.OnPreferenceChangeListener {
+
+    companion object {
+        private const val PREF_KEY = "enhancedPinPrivacy"
+    }
+
+    override fun isAvailable(): Boolean {
+        val credentialType = lockPatternUtils.getCredentialTypeForUser(userId)
+        return credentialType == CREDENTIAL_TYPE_PIN
+    }
+
+    override fun getPreferenceKey(): String {
+        return PREF_KEY
+    }
+
+    override fun onPreferenceChange(preference: Preference?, value: Any?): Boolean {
+        lockPatternUtils.setPinEnhancedPrivacyEnabled((value as Boolean), userId)
+        return true
+    }
+
+    override fun updateState(preference: Preference) {
+        (preference as TwoStatePreference).isChecked = getCurrentPreferenceState()
+    }
+
+    private fun getCurrentPreferenceState(): Boolean {
+        return lockPatternUtils.isPinEnhancedPrivacyEnabled(userId)
+    }
+}