Invalid file build.xml when building Google APK Expansion file libraries

if you get errors like this ...

build.xml:475: Invalid file: /home/embarsgo/android/android-sdk-linux/extras/google/play_licensing/library/build.xml

you need to do this ...


red@ubuntu:~/android/android-sdk-linux/extras/google/play_apk_expansion$ android update project --target 2 \
--name downloader_library \
--path /home/red/android/android-sdk-linux/extras/google/play_apk_expansion/downloader_library