-mkdir -p $ANDROID_HOME/licenses
-echo -e -n "\n8933bad161af4178b1185d1a37fbf41ea5269c55" > $ANDROID_HOME/licenses/android-sdk-license
-# The android-16 platform is used in the ecj package:
-$ANDROID_HOME/tools/bin/sdkmanager "build-tools;26.0.1" "platforms;android-26" "platforms;android-16"
+yes | $ANDROID_HOME/tools/bin/sdkmanager --licenses
+
+# The android-21 platform is used in the ecj package:
+$ANDROID_HOME/tools/bin/sdkmanager "build-tools;27.0.3" "platforms;android-27" "platforms;android-21"