Build Tools revision error
Description
You need to have the right version of Android SDK Build-Tools installed in order to build the ROS Android packages, otherwise you may get an error like the following
FAILURE: Build failed with an exception. * What went wrong: Execution failed for task ':android_gingerbread_mr1:compileRelease'. > failed to find Build Tools revision 18.1.1 * Try: Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output. BUILD FAILED
Solution
Install the required version of Android SDK Build-tools (in this example, 18.1.1)