These scripts are used to generate and verify overlayable.xml files.
Sample invocations (Media Center as an example).
To generate:
PROJECT_TOP=$ANDROID_BUILD_TOP/packages/apps/Car/Media
python $ANDROID_BUILD_TOP/packages/apps/Car/libs/tools/rro/generate-overlayable.py \
    -n CarMediaApp \
    -r $PROJECT_TOP/res \
    -e $PROJECT_TOP/res/values/overlayable.xml $PROJECT_TOP/res/xml/automotive_app_desc.xml \
    -o $PROJECT_TOP/res/values/overlayable.xml
To verify:
PROJECT_TOP=$ANDROID_BUILD_TOP/packages/apps/Car/Media
python $ANDROID_BUILD_TOP/packages/apps/Car/libs/tools/rro/verify-overlayable.py \
    -r $PROJECT_TOP/res \
    -e $PROJECT_TOP/res/values/overlayable.xml $PROJECT_TOP/res/xml/automotive_app_desc.xml \
    -o $PROJECT_TOP/res/values/overlayable.xml