[TNU05] Add no upstream notification

Reminder user of unavailable tethering status if there is no
internet access.

Bug: 147818698
Test: atest TetheringTests
Change-Id: Ic6557f9f7703337596100cd6a477fd7239217166
diff --git a/Tethering/AndroidManifest.xml b/Tethering/AndroidManifest.xml
index 1dc8227..2b2fe45 100644
--- a/Tethering/AndroidManifest.xml
+++ b/Tethering/AndroidManifest.xml
@@ -34,11 +34,14 @@
     <uses-permission android:name="android.permission.MODIFY_PHONE_STATE" />
     <uses-permission android:name="android.permission.READ_DEVICE_CONFIG" />
     <uses-permission android:name="android.permission.READ_NETWORK_USAGE_HISTORY" />
+    <uses-permission android:name="android.permission.READ_PHONE_STATE"/>
     <uses-permission android:name="android.permission.TETHER_PRIVILEGED" />
     <uses-permission android:name="android.permission.UPDATE_APP_OPS_STATS" />
     <uses-permission android:name="android.permission.UPDATE_DEVICE_STATS" />
     <uses-permission android:name="android.permission.WRITE_SETTINGS" />
 
+    <protected-broadcast android:name="com.android.server.connectivity.tethering.DISABLE_TETHERING" />
+
     <application
         android:process="com.android.networkstack.process"
         android:extractNativeLibs="false"