g_dns_servers need init before dns_query, Otherwise sim can not add default
dns server when use usrsock mode to share host network.
Avoid similar problems in the future, so directly initialize g_dns_servers.
Signed-off-by: zhanghongyu <zhanghongyu@xiaomi.com>
Squashed commit of the following:
libs/libxx: Fix some confusing in naming. If the directory is called libxx, then the library must be libxx.a (unless perhaps LIBCXX is selected).
libs/: Fix paths in moved library directories.
libs: Brute force move of libc, libnx, and libxx to libs. Cannot yet build it in that configuration.
