Build guest agent programs as deb packages

It uses cargo-deb to build the guest agent programs as *.deb packages.
In doing so, they are built as static executables.

And the deb files are installed via the localdebs directory.

Bug: 372168347
Bug: 382417268
Test: run terminal with the guest image
Change-Id: I8574ed8c4358ea11880d189c258b2330753b938d
diff --git a/guest/forwarder_guest/Cargo.toml b/guest/forwarder_guest/Cargo.toml
index ce50e4c..bb9b826 100644
--- a/guest/forwarder_guest/Cargo.toml
+++ b/guest/forwarder_guest/Cargo.toml
@@ -10,3 +10,8 @@
 poll_token_derive = "0.1.0"
 remain = "0.2.14"
 vmm-sys-util = "0.12.1"
+
+[package.metadata.deb]
+maintainer = "ferrochrome-dev@google.com"
+copyright = "2024, The Android Open Source Project"
+depends = "$auto"