Revert "Align the Android template project with the official default template."

[dumganhar]

Reverts #18151

[github-actions]

Code Size Check Report

Wechat (WASM)	Before	After	Diff
2D Empty (legacy pipeline)	1001919 bytes	1001919 bytes	✅ 0 bytes
2D All (legacy pipeline)	2409214 bytes	2409214 bytes	✅ 0 bytes
2D All (new pipeline)	2496443 bytes	2496443 bytes	✅ 0 bytes
(2D + 3D) All	5412978 bytes	5412978 bytes	✅ 0 bytes

Web (WASM + ASMJS)	Before	After	Diff
(2D + 3D) All	16920652 bytes	16920652 bytes	✅ 0 bytes

Interface Check Report

This pull request does not change any public interfaces !