librust_baremetal: Add libc_netbsd

Get bsearch and other baremetal-compatible functions from NetBSD.

Bug: 249723852
Bug: 262344886
Test: -
Change-Id: Idd90188ae13c84ed35af8f1475370cec0fe8cdbb
diff --git a/libc/Android.bp b/libc/Android.bp
index 67da126..721bab2 100644
--- a/libc/Android.bp
+++ b/libc/Android.bp
@@ -2308,6 +2308,7 @@
     },
     whole_static_libs: [
         "libarm-optimized-routines-mem",
+        "libc_netbsd",
     ],
     system_shared_libs: [],
     nocrt: true,