[Catalyst] Update PreferenceLifecycleContext.notifyPreferenceChange

Change the signature from metadata to preference key, so that the API
could be used to notify other preferences on the same screen.

NO_IFTTT=Catalyst only

Bug: 332201912
Flag: com.android.settings.flags.catalyst
Test: atest
Change-Id: Ibdf5f9004471d5491a0be1e84365cbe9f136c373

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

@@ -39,7 +39,7 @@ import kotlin.math.roundToInt
 
 // LINT.IfChange
 class PeakRefreshRateSwitchPreference :
-    SwitchPreference(PEAK_REFRESH_RATE, R.string.peak_refresh_rate_title),
+    SwitchPreference(KEY, R.string.peak_refresh_rate_title),
     PreferenceAvailabilityProvider,
     PreferenceSummaryProvider,
     PreferenceLifecycleProvider {
@@ -69,7 +69,7 @@ class PeakRefreshRateSwitchPreference :
                 // KEY_PEAK_REFRESH_RATE_DEFAULT value could be added, changed, removed or
                 // unchanged.
                 // Just force a UI update for any case.
-                context.notifyPreferenceChange(this)
+                context.notifyPreferenceChange(KEY)
             }
 
         propertiesChangedListener = listener
@@ -97,14 +97,13 @@ class PeakRefreshRateSwitchPreference :
         override fun contains(key: String) = settingsStore.contains(key)
 
         override fun <T : Any> getDefaultValue(key: String, valueType: Class<T>): T? {
-            if (key != PEAK_REFRESH_RATE) return super.getDefaultValue(key, valueType)
+            if (key != KEY) return super.getDefaultValue(key, valueType)
             return context.defaultPeakRefreshRate.refreshRateAsBoolean(context) as T
         }
 
         override fun <T : Any> getValue(key: String, valueType: Class<T>): T? {
-            if (key != PEAK_REFRESH_RATE) return null
-            val refreshRate =
-                settingsStore.getFloat(PEAK_REFRESH_RATE) ?: context.defaultPeakRefreshRate
+            if (key != KEY) return null
+            val refreshRate = settingsStore.getFloat(KEY) ?: context.defaultPeakRefreshRate
             return refreshRate.refreshRateAsBoolean(context) as T
         }
 
@@ -113,12 +112,12 @@ class PeakRefreshRateSwitchPreference :
 
         override fun <T : Any> setValue(key: String, valueType: Class<T>, value: T?) =
             when {
-                key != PEAK_REFRESH_RATE -> {}
-                value == null -> settingsStore.setFloat(PEAK_REFRESH_RATE, null)
+                key != KEY -> {}
+                value == null -> settingsStore.setFloat(KEY, null)
                 else -> {
                     val peakRefreshRate =
                         if (value as Boolean) context.refreshRateIfON() else DEFAULT_REFRESH_RATE
-                    settingsStore.setFloat(PEAK_REFRESH_RATE, peakRefreshRate)
+                    settingsStore.setFloat(KEY, peakRefreshRate)
                 }
             }
 
@@ -130,6 +129,7 @@ class PeakRefreshRateSwitchPreference :
     }
 
     companion object {
+        const val KEY = PEAK_REFRESH_RATE
         private const val INVALIDATE_REFRESH_RATE: Float = -1f
 
         private val Context.peakRefreshRate: Float