[Catalyst] Rollback the Adaptive brightness key

Let the redirect highlight function work from Turbo app.

NO_IFTTT=Catalyst migration

Test: devtool, atest AutoBrightnessScreenTest
Bug: 390525596
Flag: com.android.settings.flags.catalyst_display_settings_screen
Change-Id: Id7261d8a51368c45b7e23fee911565a226b30779

res/xml/display_settings.xml

@@ -34,7 +34,7 @@
             settings:userRestriction="no_config_brightness"/>
 
         <com.android.settingslib.PrimarySwitchPreference
-            android:key="screen_brightness_mode"
+            android:key="@string/preference_key_auto_brightness"
             android:title="@string/auto_brightness_title"
             android:fragment="com.android.settings.display.AutoBrightnessSettings"
             settings:useAdminDisabledSummary="true"

src/com/android/settings/display/AutoBrightnessScreen.kt

@@ -17,7 +17,7 @@ package com.android.settings.display
 
 import android.content.Context
 import android.os.UserManager
-import android.provider.Settings
+import android.provider.Settings.System.SCREEN_BRIGHTNESS_MODE
 import android.provider.Settings.System.SCREEN_BRIGHTNESS_MODE_AUTOMATIC
 import android.provider.Settings.System.SCREEN_BRIGHTNESS_MODE_MANUAL
 import androidx.preference.Preference
@@ -26,8 +26,10 @@ import com.android.settings.PreferenceRestrictionMixin
 import com.android.settings.R
 import com.android.settings.flags.Flags
 import com.android.settingslib.PrimarySwitchPreferenceBinding
+import com.android.settingslib.datastore.AbstractKeyedDataObservable
+import com.android.settingslib.datastore.HandlerExecutor
 import com.android.settingslib.datastore.KeyValueStore
-import com.android.settingslib.datastore.KeyedObservableDelegate
+import com.android.settingslib.datastore.KeyedObserver
 import com.android.settingslib.datastore.SettingsStore
 import com.android.settingslib.datastore.SettingsSystemStore
 import com.android.settingslib.metadata.BooleanValuePreference
@@ -106,18 +108,32 @@ class AutoBrightnessScreen :
      */
     @Suppress("UNCHECKED_CAST")
     private class AutoBrightnessDataStore(private val settingsStore: SettingsStore) :
-        KeyedObservableDelegate<String>(settingsStore), KeyValueStore {
+        AbstractKeyedDataObservable<String>(), KeyedObserver<String>, KeyValueStore {
 
-        override fun contains(key: String) = settingsStore.contains(key)
+        override fun contains(key: String) = settingsStore.contains(SCREEN_BRIGHTNESS_MODE)
 
         override fun <T : Any> getDefaultValue(key: String, valueType: Class<T>) =
             DEFAULT_VALUE.toBoolean() as T
 
         override fun <T : Any> getValue(key: String, valueType: Class<T>) =
-            (settingsStore.getInt(key) ?: DEFAULT_VALUE).toBoolean() as T
+            (settingsStore.getInt(SCREEN_BRIGHTNESS_MODE) ?: DEFAULT_VALUE).toBoolean() as T
 
         override fun <T : Any> setValue(key: String, valueType: Class<T>, value: T?) =
-            settingsStore.setInt(key, (value as? Boolean)?.toBrightnessMode())
+            settingsStore.setInt(SCREEN_BRIGHTNESS_MODE, (value as? Boolean)?.toBrightnessMode())
+
+        override fun onFirstObserverAdded() {
+            // observe the underlying storage key
+            settingsStore.addObserver(SCREEN_BRIGHTNESS_MODE, this, HandlerExecutor.main)
+        }
+
+        override fun onKeyChanged(key: String, reason: Int) {
+            // forward data change to preference hierarchy key
+            notifyChange(KEY, reason)
+        }
+
+        override fun onLastObserverRemoved() {
+            settingsStore.removeObserver(SCREEN_BRIGHTNESS_MODE, this)
+        }
 
         /** Converts brightness mode integer to boolean. */
         private fun Int.toBoolean() = this == SCREEN_BRIGHTNESS_MODE_AUTOMATIC
@@ -128,7 +144,7 @@ class AutoBrightnessScreen :
     }
 
     companion object {
-        const val KEY = Settings.System.SCREEN_BRIGHTNESS_MODE
+        const val KEY = "auto_brightness_entry"
         private const val DEFAULT_VALUE = SCREEN_BRIGHTNESS_MODE_MANUAL
     }
 }

tests/robotests/src/com/android/settings/display/AutoBrightnessScreenTest.kt

@@ -128,7 +128,11 @@ class AutoBrightnessScreenTest {
         }
 
     private fun setScreenBrightnessMode(value: Int) =
-        Settings.System.putInt(context.contentResolver, AutoBrightnessScreen.KEY, value)
+        Settings.System.putInt(
+            context.contentResolver,
+            Settings.System.SCREEN_BRIGHTNESS_MODE,
+            value,
+        )
 
     private fun getResId() =
         when {