Generate output manifest file in continuous build

- Generate the manifest file with the revision field set on each
project, to be able to know what code it was really built from.

Change-Id: I01a8a8e29510507847db263865404544701835a3
diff --git a/kokoro/continuous.cfg b/kokoro/continuous.cfg
index 4e380f4..5b4b809 100644
--- a/kokoro/continuous.cfg
+++ b/kokoro/continuous.cfg
@@ -6,6 +6,7 @@
 action {
   define_artifacts {
     regex: "boot.img"
+    regex: "manifest.xml"
     regex: "partition-table.img"
     regex: "rootfs.img"
     regex: "u-boot.imx"
diff --git a/kokoro/continuous.sh b/kokoro/continuous.sh
index cf47389..293dc34 100644
--- a/kokoro/continuous.sh
+++ b/kokoro/continuous.sh
@@ -18,6 +18,10 @@
 
 m
 
+python3 ${ROOTDIR}/build/create_release_manifest.py \
+  -i ${ROOTDIR}/manifest/default.xml \
+  -o ${KOKORO_ARTIFACTS_DIR}/manifest.xml
+
 cp ${PRODUCT_OUT}/u-boot.imx ${KOKORO_ARTIFACTS_DIR}
 cp ${PRODUCT_OUT}/boot.img ${KOKORO_ARTIFACTS_DIR}
 cp ${PRODUCT_OUT}/partition-table.img ${KOKORO_ARTIFACTS_DIR}