Vendor dependencies for 0.3.0 release

vendor/android-properties/examples/property_get.rs

@@ -0,0 +1,11 @@
+use android_properties::AndroidProperty;
+
+const HELLO_WORLD_PROPERTY: &str = "hello.world";
+
+fn main() {
+    let mut hello_world = AndroidProperty::new(HELLO_WORLD_PROPERTY);
+    match hello_world.value() {
+        Some(_value) => println!("{}", hello_world),
+        None => println!("Property {} not found", hello_world.name()),
+    };
+}