Upgrade to bazel 0.19.0-rc5

Sandbox java as well!

Change-Id: If46914a08ea05b3ae915727b6e89ec45c703645b
diff --git a/doc/make_bazel_package.sh b/doc/make_bazel_package.sh
index eb2503c..c961814 100755
--- a/doc/make_bazel_package.sh
+++ b/doc/make_bazel_package.sh
@@ -9,7 +9,7 @@
 
 BAZEL_SOURCE="$1"
 
-VERSION="$(date +%Y%m%d%H%M)+$(GIT_DIR="${BAZEL_SOURCE}/.git" git rev-parse --short HEAD)"
+VERSION="0.19.0rc4-$(date +%Y%m%d%H%M)+$(GIT_DIR="${BAZEL_SOURCE}/.git" git rev-parse --short HEAD)"
 OUTPUT="bazel_${VERSION}"
 
 (