Add enable_android_sdk_build: true to pull_request.yml

Author: marcprux

.github/workflows/pull_request.yml

@@ -23,6 +23,7 @@ jobs:
     uses: swiftlang/github-workflows/.github/workflows/swift_package_test.yml@main
     with:
       enable_wasm_sdk_build: true
+      enable_android_sdk_build: true
 
   soundness:
     name: Soundness