Migrate to CompoundButton.OnCheckedChangeListener

Switch and SwitchCompat are both CompoundButton.

Using CompoundButton in Java will helps migration in the future.

Bug: 306658427
Test: manual - check Settings pages
Change-Id: If2e08a9a9557ec66a3b31ef18cd2e15943098a59

src/com/android/settings/datausage/DataSaverSummary.kt

@@ -19,7 +19,6 @@ import android.app.settings.SettingsEnums
 import android.content.Context
 import android.os.Bundle
 import android.telephony.SubscriptionManager
-import android.widget.Switch
 import com.android.settings.R
 import com.android.settings.SettingsActivity
 import com.android.settings.dashboard.DashboardFragment
@@ -51,9 +50,7 @@ class DataSaverSummary : DashboardFragment() {
         switchBar = (activity as SettingsActivity).switchBar.apply {
             setTitle(getString(R.string.data_saver_switch_title))
             show()
-            addOnSwitchChangeListener { _: Switch, isChecked: Boolean ->
-                onSwitchChanged(isChecked)
-            }
+            addOnSwitchChangeListener { _, isChecked -> onSwitchChanged(isChecked) }
         }
     }
 
@@ -105,4 +102,4 @@ class DataSaverSummary : DashboardFragment() {
                         SubscriptionManager.INVALID_SUBSCRIPTION_ID)
         }
     }
-}
+}