[Tetheirng] Show a dialog indicate tethering is unsupported by carrier.

Bug: 161206517
Test: manual
Change-Id: I45a2e42367850ab6fc901fe508671677d843b793
diff --git a/AndroidManifest.xml b/AndroidManifest.xml
index f06d38f..0d1821a 100644
--- a/AndroidManifest.xml
+++ b/AndroidManifest.xml
@@ -572,6 +572,18 @@
             </intent-filter>
         </activity>
 
+        <activity
+            android:name=".network.TetherProvisioningCarrierDialogActivity"
+            android:exported="true"
+            android:permission="android.permission.TETHER_PRIVILEGED"
+            android:excludeFromRecents="true"
+            android:theme="@*android:style/Theme.DeviceDefault.Settings.Dialog.NoActionBar">
+            <intent-filter android:priority="1">
+                <action android:name="android.settings.TETHER_UNSUPPORTED_CARRIER_UI" />
+                <category android:name="android.intent.category.DEFAULT" />
+            </intent-filter>
+        </activity>
+
         <activity android:name=".network.telephony.ToggleSubscriptionDialogActivity"
                   android:exported="false"
                   android:permission="android.permission.WRITE_EMBEDDED_SUBSCRIPTIONS"