travis: Update Android tools twice to ensure getting latest version
travis: Update Android tools twice to ensure getting latest version

For details, see:
https://github.com/travis-ci/travis-ci/issues/6040#issuecomment-219367943

Signed-off-by: Greg Meiste <8a8f45e57c045ec63dc7e56e5eda862ea8c7cd4f@gmail.com>

meisteg/RaspberryPiTempAlarm,meisteg/RaspberryPiTempAlarm,meisteg/RaspberryPiTempAlarm