Add Android ARM64 platform

docs/en/shared/platforms.md

@@ -1,3 +1,3 @@
 Supported platforms are `ios`, `android`, `osx`, `win32`, `linux`, `web`.
 
-Supported `arc-platform` pairs are `armv7-ios`, `arm64-ios`, `x86_64-ios`, `armv7-android`, `x86-osx`, `x86_64-osx`, `x86-win32`, `x86_64-win32`, `x86_64-linux`, `js-web` and `wasm-web`.
+Supported `arc-platform` pairs are `armv7-ios`, `arm64-ios`, `x86_64-ios`, `armv7-android`, `arm64-android`, `x86-osx`, `x86_64-osx`, `x86-win32`, `x86_64-win32`, `x86_64-linux`, `js-web` and `wasm-web`.