Add package.include to Cargo.toml

This reduces package size and notably prevents any bash files from landing on a users device.

android-activity/Cargo.toml

@@ -9,6 +9,12 @@ repository = "https://github.com/rust-mobile/android-activity"
 documentation = "https://docs.rs/android-activity"
 description = "Glue for building Rust applications on Android with NativeActivity or GameActivity"
 license = "MIT OR Apache-2.0"
+include = [
+    "/build.rs",
+    "/android-games-sdk",
+    "/LICENSE*",
+    "/src",
+]
 
 # Even though we could technically still build with 1.69, 1.73 has a fix for the
 # definition of the `stat` struct on Android, and so it seems worthwhile drawing

android-activity/LICENSE

@@ -5,20 +5,20 @@
 The third-party glue code, under the game-activity-csrc/ directory is covered by
 the Apache 2.0 license only:
 
-Apache License, Version 2.0 (docs/LICENSE-APACHE or <http://www.apache.org/licenses/LICENSE-2.0>)
+Apache License, Version 2.0 (LICENSE-APACHE or <http://www.apache.org/licenses/LICENSE-2.0>)
 
 ## SDK Documentation
 
 Documentation for APIs that are direct bindings of Android platform APIs are covered
 by the Apache 2.0 license only:
 
-Apache License, Version 2.0 (docs/LICENSE-APACHE or <http://www.apache.org/licenses/LICENSE-2.0>)
+Apache License, Version 2.0 (LICENSE-APACHE or <http://www.apache.org/licenses/LICENSE-2.0>)
 
 ## android-activity
 
 All other code is dual-licensed under either
 
-- MIT License (docs/LICENSE-MIT or <http://opensource.org/licenses/MIT>)
-- Apache License, Version 2.0 (docs/LICENSE-APACHE or <http://www.apache.org/licenses/LICENSE-2.0>)
+- MIT License (LICENSE-MIT or <http://opensource.org/licenses/MIT>)
+- Apache License, Version 2.0 (LICENSE-APACHE or <http://www.apache.org/licenses/LICENSE-2.0>)
 
 at your option.