hterm: embed: update examples to use lib.init
hterm: embed: update examples to use lib.init

Since we need libdot to be initialized, make sure we document it.

Change-Id: I00edc2cc300eb324de03deb9e2514c44d4f7b825
Reviewed-on: https://chromium-review.googlesource.com/1195841
Reviewed-by: Vitaliy Shipitsyn <6f51537d61e46a00bf958b60dbef5b5870c2bf22@google.com>
Tested-by: Mike Frysinger <8f3f75c74bd5184edcfa6534cab3c13a00a2f794@chromium.org>

chromium/hterm,chromium/hterm,chromium/hterm,chromium/hterm