chore: update android build tool

Zdravko Branzov · Zdravko Branzov · commit 04e84a3d2393 · 2018-11-21T13:41:51.000+02:00
diff --git a/.travis.yml b/.travis.yml
@@ -97,7 +97,7 @@ android:
   components:
     - tools
     - platform-tools
-    - build-tools-28.0.2
+    - build-tools-28.0.3
     - android-28
     - android-23
     - extra-android-m2repository
