Bring build back

.drone.yml

@@ -25,6 +25,13 @@ steps:
   - let timestamp=$(date +%s)/10 
   - echo "versionCode=$timestamp" >> version.properties
 
+- name: build
+  image: mingc/android-build-box:1.22.0
+  commands:
+  - ./gradlew test
+  - ./gradlew assembleRelease
+  - ./gradlew bundleRelease
+
 - name: deploy latest build
   image: curlimages/curl
   environment: