build: adjust bazel job number to auto based on system resource.
build: adjust bazel job number to auto based on system resource.

fy2462/apollo,fy2462/apollo,startcode/apollo,fy2462/apollo,startcode/apollo,startcode/apollo,fy2462/apollo,startcode/apollo,fy2462/apollo,startcode/apollo,startcode/apollo,fy2462/apollo