Tusky: Update UCM, fix build

metadata/com.keylesspalace.tusky.txt

@@ -34,12 +34,14 @@ Build:1.0.0-alpha.8,8
     gradle=yes
 
 Build:1.1.3,16
-    commit=bdca1d1c94d2b2526b1635a1b27fed88e7ebf8a7
+    commit=31fff630f3e92b0bdc3683b00fc7ebc24ac60f49
     subdir=app
     gradle=fdroid
+    prebuild=sed -i -e '/googleCompile/d' -e '/google-services/d' ../build.gradle build.gradle && \
+        sed -i -e 's/com.google.firebase.iid.FirebaseInstanceId.getInstance().getToken()/"null"/g'  src/main/java/com/keylesspalace/tusky/BaseActivity.java
 
 Auto Update Mode:Version v%v
-Update Check Mode:RepoManifest
+Update Check Mode:Tags ^v[0-9\\.]+$
 Update Check Ignore:beta
 Current Version:1.1.3
 Current Version Code:16