fix(build): add Google Play API configuration

Signed-off-by: Trumeet <[email protected]>

Author: Trumeet

.travis.yml

@@ -18,6 +18,7 @@ before_install:
 - yes | sdkmanager "platforms;android-28"
 - chmod a+x gradlew
 - openssl aes-256-cbc -K $encrypted_7aab63907238_key -iv $encrypted_7aab63907238_iv -in .yuuta.jks.enc -out .yuuta.jks -d
+- echo ${GOOGLE_PLAY_STORE_API_JSON} > app/play-store-api.json
 before_deploy:
 - export VERSION=$(cat version.txt)
 - export VERSION_CODE=$(cat version_code.txt)