chore: Fixed auto-release script (#2798)

Author: yashk2000

.travis.yml

@@ -6,7 +6,7 @@ dist: trusty
 env:
   global:
     - ANDROID_API_LEVEL=22
-    - ANDROID_BUILD_TOOLS_VERSION=25.0.3
+    - ANDROID_BUILD_TOOLS_VERSION=28.0.3
     - ANDROID_ABI=armeabi-v7a arm64-v8a x86 x86_64
     - ANDROID_TAG=google_apis
     - ANDROID_TARGET=android-25

scripts/update-apk.sh

@@ -29,8 +29,8 @@ fi
 if [ "$TRAVIS_BRANCH" == "$PUBLISH_BRANCH" ]; then
     echo "Push to master branch detected, signing the app..."
     cp app-release-unsigned.apk app-release-unaligned.apk
-    jarsigner -verbose -tsa http://timestamp.comodoca.com/rfc3161 -sigalg SHA1withRSA -digestalg SHA1 -keystore ../scripts/key.jks -storepass $STORE_PASS -keypass $KEY_PASS app-release-unaligned.apk $ALIAS
-    ${ANDROID_HOME}/build-tools/26.0.3/zipalign -v -p 4 app-release-unaligned.apk app-release.apk
+    jarsigner -tsa http://timestamp.comodoca.com/rfc3161 -sigalg SHA1withRSA -digestalg SHA1 -keystore ../scripts/key.jks -storepass $STORE_PASS -keypass $KEY_PASS app-release-unaligned.apk $ALIAS
+	${ANDROID_HOME}/build-tools/${ANDROID_BUILD_TOOLS_VERSION}/zipalign -p 4 app-release-unaligned.apk app-release.apk
 fi
 
 if [ "$TRAVIS_BRANCH" == "$PUBLISH_BRANCH" ]; then