Merge pull request #44568 from mikedanese/fix-staging

Automatic merge from submit-queue (batch tested with PRs 40055, 42085, 44509, 44568, 43956)

revert BUILD changes at the end of DRY_RUN=n copy.sh

Fixes https://github.com/kubernetes/kubernetes/issues/44567

cc @caesarxuchao @ixdy @spxtr

staging/copy.sh

@@ -234,4 +234,5 @@ echo "move to the client repo"
 if [ "${DRY_RUN}" = false ]; then
   ls "${CLIENT_REPO}" | { grep -v '_tmp' || true; } | xargs rm -rf
   mv "${CLIENT_REPO_TEMP}"/* "${CLIENT_REPO}"
+  git checkout HEAD -- $(find "${CLIENT_REPO}" -name BUILD)
 fi