Mention that Android SDK 22 is required.
Mention that Android SDK 22 is required.

ChernyshovYuriy/openxc-android,msowka/openxc-android,openxc/openxc-android,petemaclellan/openxc-android,openxc/openxc-android,ChernyshovYuriy/openxc-android,msowka/openxc-android,petemaclellan/openxc-android