Add CONNECTIVITY_INTERNAL permission

Bluetooth tethering still needs to call some
NetworkManagementService APIs that are protected by
CONNECTIVITY_INTERNAL. But this permission has been removed from
bluetooth package by mistake, add permission back for using
those APIs normally.

Bug: 32963470
Test: Verify bluetooth tethering manually.
Change-Id: I96d9aec3fda2600b60e9ca85d5cbf53b4d2a1ead
diff --git a/AndroidManifest.xml b/AndroidManifest.xml
index f0511bd..c18928a 100644
--- a/AndroidManifest.xml
+++ b/AndroidManifest.xml
@@ -44,6 +44,7 @@
     <uses-permission android:name="android.permission.NET_TUNNELING" />
     <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
     <uses-permission android:name="android.permission.CHANGE_NETWORK_STATE" />
+    <uses-permission android:name="android.permission.CONNECTIVITY_INTERNAL" />
     <uses-permission android:name="android.permission.NETWORK_FACTORY" />
     <uses-permission android:name="android.permission.TETHER_PRIVILEGED" />
     <uses-permission android:name="android.permission.MODIFY_PHONE_STATE" />