Bump go submodule

Fixes a problem with inotify_init being blocked by Android 9's seccomp
policy.

Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>

app/tools/wireguard-go

@@ -1 +1 @@
-Subproject commit b803276061b23076aa9dad8a5683973c0a51ac50
+Subproject commit 93803df776ef9e0290a508bfc4f0071bfe470c7f