add job to build android

Author: madsodgaard

.github/workflows/pull_request.yml

@@ -176,6 +176,29 @@ jobs:
       - name: Swift Test
         run: "swift test"
 
+  build-swift-android:
+    name: Build (Swift/Android) (${{ matrix.os_version }} swift:${{ matrix.swift_version }} jdk:${{matrix.jdk_vendor}})
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        swift_version: ['nightly-main']
+        os_version: ['jammy']
+        jdk_vendor: ['corretto']
+        sdk_triple: ['x86_64-unknown-linux-android28']
+        ndk_version: ['r27d']
+    container:
+      image: ${{ (contains(matrix.swift_version, 'nightly') && 'swiftlang/swift') || 'swift' }}:${{ matrix.swift_version }}-${{ matrix.os_version }}
+    steps:
+      - uses: actions/checkout@v4
+      - name: Prepare CI Environment
+        uses: ./.github/actions/prepare_env
+      - name: Install Swift SDK for Android and build
+        run: |
+          apt-get -q update && apt-get -yq install curl
+          curl -s --retry 3 https://raw.githubusercontent.com/swiftlang/github-workflows/refs/heads/main/.github/workflows/scripts/install-and-build-with-sdk.sh | \
+          bash -s -- --android --build-command="swift build" --android-sdk-triple="${{ matrix.sdk_triple }}" --android-ndk-version="${{ matrix.ndk_version }}" ${{ matrix.swift_version }}
+
   verify-samples:
     name: Sample ${{ matrix.sample_app }} (${{ matrix.os_version }} swift:${{ matrix.swift_version }} jdk:${{matrix.jdk_vendor}})
     runs-on: ubuntu-latest