Adjust rootfs kokoro build configuration

Change-Id: I9dbd72ec2d53cb47ec52e437ec7c18e67fd761cd
diff --git a/kokoro/rootfs.cfg b/kokoro/rootfs.cfg
index 482a906..669be2b 100644
--- a/kokoro/rootfs.cfg
+++ b/kokoro/rootfs.cfg
@@ -1,4 +1,4 @@
-build_file: "build/kokoro/rootfs.sh"
+build_file: "continuous-build/build/kokoro/rootfs.sh"
 
 gfile_resources: "/x20/teams/spacepark/enterprise/kokoro/prod/spacepark/enterprise/docker/aiy-board-builder.tar"
 
diff --git a/kokoro/rootfs.sh b/kokoro/rootfs.sh
index 7d9b2b8..03be16c 100644
--- a/kokoro/rootfs.sh
+++ b/kokoro/rootfs.sh
@@ -2,7 +2,7 @@
 
 set -e
 
-pushd git
+pushd git/continuous-build
 ln -srf build/Makefile .
 source build/setup.sh
 popd