use install_dependencies script

Author: chingor13

.kokoro/build.sh

@@ -36,15 +36,7 @@ fi
 if [[ -n "${BUILD_SUBDIR}" ]]
 then
   echo "Compiling and building all modules for ${BUILD_SUBDIR}"
-  mvn clean install \
-    -DskipTests \
-    -Dclirr.skip \
-    -Dflatten.skip \
-    -Dcheckstyle.skip \
-    -Djacoco.skip \
-    -Denforcer.skip \
-    --also-make \
-    --projects "${BUILD_SUBDIR}"
+  install_dependencies "${BUILD_SUBDIR}"
   echo "Running in subdir: ${BUILD_SUBDIR}"
   pushd "${BUILD_SUBDIR}"
 fi