Telegram: Fix build, add AF, better description

The previous summary/description didn't say what the app does

metadata/org.telegram.messenger.txt

@@ -1,3 +1,4 @@
+AntiFeatures:NonFreeNet
 Categories:Internet
 License:GPLv2+
 Web Site:https://telegram.org/
@@ -5,16 +6,20 @@ Source Code:https://github.com/slp/Telegram-FOSS
 Issue Tracker:https://github.com/slp/Telegram-FOSS/issues
 
 Auto Name:Telegram
-Summary:FOSS build of the Telegram IM client
+Summary:Messaging client
 Description:
-An unofficial, FOSS friendly fork of the original Telegram client for Android.
-This is a list of changes between the official version and this one:
+Client for the Telegram messaging platform. Chat with friends, start group
+chats and share all kinds of content. All of your messages and conversations
+are stored in Telegram's cloud.
 
-* Remove binaries from repository.
-* Remove Google Play Services dependency, and associated services (Location and G2CM).
-* Remove HockeySDK dependency.
-* Remove SMS listener and associated permissions (you'll need to enter the registration code manually).
-* Add tags for easily tracking releases.
+The messaging platform is aimed at mobile devices, but desktop and web clients
+exist as well.
+
+Several proprietary parts were removed from the original Telegram client,
+including Google Play Services for the location services and HockeySDK for
+self-updates.
+
+Anti-Feature: Non-Free Network, since the servers run proprietary software.
 .
 
 Repo Type:git
@@ -24,7 +29,9 @@ Build:1.3.21,160
     commit=v1.3.21a
     subdir=TMessagesProj
     gradle=yes
-    buildjni=yes
+    buildjni=no
+    build=ndk-build -j4 && \
+        gradle nativeLibsToJar
 
 Auto Update Mode:None
 Update Check Mode:Tags