Update Tux Rider to 1.5.0 (15)

Also enable AUM and drop the UpstreamNonFree antifeature because the
upstream removed Admob.

Closes fdroid/fdroiddata#2012.

metadata/com.drodin.tuxrider.yml

@@ -1,5 +1,3 @@
-AntiFeatures:
-  - UpstreamNonFree
 Categories:
   - Games
 License: GPL-2.0-or-later
@@ -16,8 +14,6 @@ Description: |-
     Find the right angle to hold the device to gain maximum speed and press the
     screen to jump.
 
-    The build has Admob replaced with a dummy library.
-
 RepoType: git
 Repo: https://github.com/drodin/TuxRider.git
 
@@ -32,7 +28,18 @@ Builds:
     buildjni:
       - yes
 
-AutoUpdateMode: None
+  - versionName: 1.5.0
-UpdateCheckMode: RepoManifest
+    versionCode: 15
+    commit: v1.5.0
+    subdir: app
+    gradle:
+      - yes
+    prebuild:
+      - $ANDROID_HOME/tools/bin/sdkmanager 'cmake;3.10.2.4988404'
+      - echo "cmake.dir=$ANDROID_HOME/cmake/3.10.2.4988404" >> ../local.properties
+    ndk: r18b
+
+AutoUpdateMode: Version v%v
+UpdateCheckMode: Tags
 CurrentVersion: 1.5.0
 CurrentVersionCode: 15