Package the Rust mobile core and generated Kotlin API for Android (#92)

android/rust-bridge/consumer-rules.pro

@@ -1 +1,7 @@
-# Native/generated keep rules are added with the UniFFI packaging in #92.
+-keep class com.sun.jna.** { *; }
+-keep class de.rfc1437.ironstorage.bridge.generated.** { *; }
+# JNA includes optional desktop AWT helpers that Android never invokes.
+-dontwarn java.awt.Component
+-dontwarn java.awt.GraphicsEnvironment
+-dontwarn java.awt.HeadlessException
+-dontwarn java.awt.Window