Cronbuild samples have SHOW_RESULTS turned off

$ wget https://github.com/DynamoRIO/dynamorio/releases/download/cronbuild-7.91.18271/DynamoRIO-x86_64-Linux-7.91.18271-0.tar.gz
$ tar xzf DynamoRIO-x86_64-Linux-7.91.18271-0.tar.gz
$ cd DynamoRIO-x86_64-Linux-7.91.18271-0
$ bin64/drrun -stderr_mask 15 -c ./samples/bin64/libbbsize.so -- ls
<Starting application /bin/ls (23167)>
ACKNOWLEDGEMENTS  bin64  cmake	docs  ext  include  lib64  License.txt	logs  README  samples  tools
<Stopping application /bin/ls (23167)>

SHOW_RESULTS is off because samples/CMakeLists.txt turns it off when BUILD_TESTS is on.