[Catalyst] Add restriction for SIMs and Tethering

Bug: 377600992
Flag: com.android.settings.flags.catalyst
Test: testdpc
Change-Id: I098e49e5aad30711eedfea38361e42584b80c31b

src/com/android/settings/network/MobileNetworkListScreen.kt

@@ -16,6 +16,8 @@
 package com.android.settings.network
 
 import android.content.Context
+import android.os.UserManager
+import com.android.settings.PreferenceRestrictionMixin
 import com.android.settings.R
 import com.android.settings.flags.Flags
 import com.android.settingslib.metadata.ProvidePreferenceScreen
@@ -23,7 +25,7 @@ import com.android.settingslib.metadata.preferenceHierarchy
 import com.android.settingslib.preference.PreferenceScreenCreator
 
 @ProvidePreferenceScreen
-class MobileNetworkListScreen : PreferenceScreenCreator {
+class MobileNetworkListScreen : PreferenceScreenCreator, PreferenceRestrictionMixin {
     override val key: String
         get() = KEY
 
@@ -36,6 +38,11 @@ class MobileNetworkListScreen : PreferenceScreenCreator {
     override val keywords: Int
         get() = R.string.keywords_more_mobile_networks
 
+    override fun isEnabled(context: Context) = super<PreferenceRestrictionMixin>.isEnabled(context)
+
+    override val restrictionKey: String
+        get() = UserManager.DISALLOW_CONFIG_MOBILE_NETWORKS
+
     override fun isFlagEnabled(context: Context) = Flags.catalystMobileNetworkList()
 
     override fun hasCompleteHierarchy() = false

src/com/android/settings/network/tether/TetherScreen.kt

@@ -17,6 +17,8 @@ package com.android.settings.network.tether
 
 import android.content.Context
 import android.net.TetheringManager
+import android.os.UserManager
+import com.android.settings.PreferenceRestrictionMixin
 import com.android.settings.R
 import com.android.settings.flags.Flags
 import com.android.settings.network.TetherPreferenceController
@@ -28,7 +30,8 @@ import com.android.settingslib.metadata.preferenceHierarchy
 import com.android.settingslib.preference.PreferenceScreenCreator
 
 @ProvidePreferenceScreen
-class TetherScreen : PreferenceScreenCreator, PreferenceAvailabilityProvider {
+class TetherScreen :
+    PreferenceScreenCreator, PreferenceAvailabilityProvider, PreferenceRestrictionMixin {
 
     override val key: String
         get() = KEY
@@ -49,6 +52,11 @@ class TetherScreen : PreferenceScreenCreator, PreferenceAvailabilityProvider {
 
     override fun isAvailable(context: Context) = TetherUtil.isTetherAvailable(context)
 
+    override fun isEnabled(context: Context) = super<PreferenceRestrictionMixin>.isEnabled(context)
+
+    override val restrictionKey: String
+        get() = UserManager.DISALLOW_CONFIG_TETHERING
+
     override fun isFlagEnabled(context: Context) = Flags.catalystTetherSettings()
 
     override fun hasCompleteHierarchy() = false