Adds psutil to CI Build Script (#2355)

* Adds psutil

* Adds psutil

Author: sampathweb

.kokoro/github/ubuntu/gpu/build.sh

@@ -20,6 +20,8 @@ nvcc --version
 
 cd "src/github/keras-cv"
 pip install -U pip setuptools
+# psutil is used by background log reader
+pip install -U psutil
 
 if [ "${KERAS2:-0}" == "1" ]
 then