Update .travis.yml

.travis.yml

@@ -2,7 +2,10 @@ language: android
 android:
   components:
     # The BuildTools version used by NewPipe
-    - build-tools-23.0.2
+    
+    # Build error workaround
+    # - build-tools-23.0.2
+    - tools
 
     # The SDK version used to compile NewPipe
     - android-23