Try to fix warning and add debug output to SDK manager setup

Author: gnzlbg

ci/android-install-sdk.sh

@@ -47,6 +47,15 @@ case "$1" in
     ;;
 esac;
 
+# Try to fix warning about missing file.
+# See https://askubuntu.com/a/1078784
+mkdir -p /root/.android/
+echo '### User Sources for Android SDK Manager' >> /root/.android/repositories.cfg
+echo '#Fri Nov 03 10:11:27 CET 2017 count=0' >> /root/.android/repositories.cfg
+
+# Print all available packages
+yes | ./sdk/tools/bin/sdkmanager --list --verbose
+
 # --no_https avoids
      # javax.net.ssl.SSLHandshakeException: sun.security.validator.ValidatorException: No trusted certificate found
 yes | ./sdk/tools/bin/sdkmanager --licenses --no_https