fixed proguard settings

Author: PiotrBandurskiVA

.circleci/config.yml

@@ -10,6 +10,9 @@ jobs:
       - checkout
       - restore_cache:
           key: jars-{{ checksum "build.gradle" }}-{{ checksum  "app/build.gradle" }}
+      - run
+          name: Create empty local.properties
+          command: touch local.properties
       - run:
           name: Download Dependencies
           command: ./gradlew androidDependencies