chore(.github): add android workflow

.github/workflows/android.yml

@@ -0,0 +1,80 @@
+name: CI
+
+on: [push, pull_request]
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+
+    env:
+      ANDROID_SDK_ROOT: ${{ github.workspace }}/android-sdk
+      ANDROID_NDK_HOME: ${{ github.workspace }}/android-ndk
+
+    steps:
+    - name: Checkout code
+      uses: actions/checkout@v2
+
+    - name: Set up JDK
+      uses: actions/setup-java@v3
+      with:
+        distribution: 'zulu'
+        java-version: '11'
+
+    - name: Set up Android SDK
+      uses: android-actions/setup-android@v2
+      with:
+        api-level: 30
+        build-tools: 30.0.3
+
+    - name: Install NDK
+      run: sdkmanager --install "ndk;25.2.9519653"
+
+    - name: Export ANDROID_NDK_HOME
+      run: echo "ANDROID_NDK_HOME=$ANDROID_HOME/ndk/25.2.9519653" >> $GITHUB_ENV
+
+    - name: Verify ANDROID_NDK_HOME
+      run: echo $ANDROID_NDK_HOME
+
+    - name: Install Rust
+      uses: actions-rs/toolchain@v1
+      with:
+        toolchain: stable
+        override: true
+        components: rustfmt, clippy
+
+    - name: Add Android targets
+      run: rustup target add aarch64-linux-android
+
+    - name: Install cargo-ndk
+      run: cargo install cargo-ndk
+
+    - name: Build unit tests for Android
+      env:
+        ANDROID_NDK_HOME: ${{ github.workspace }}/android-sdk/ndk/25.2.9519653
+      run: cargo ndk -t aarch64-linux-android test --no-run
+
+    - name: Enable KVM group perms
+      run: |
+        echo 'KERNEL=="kvm", GROUP="kvm", MODE="0666", OPTIONS+="static_node=kvm"' | sudo tee /etc/udev/rules.d/99-kvm4all.rules
+        sudo udevadm control --reload-rules
+        sudo udevadm trigger --name-match=kvm
+
+    - name: Set up Android Emulator and run tests
+      uses: reactivecircus/android-emulator-runner@v2
+      with:
+        api-level: 30
+        target: default
+        arch: x86_64
+        profile: Nexus 6
+        emulator-options: "-no-window -no-audio"
+        avd-name: test
+        force-avd-creation: true
+        emulator-boot-timeout: 600
+        script: |
+          #!/bin/bash
+          adb wait-for-device
+          for test in $(find target/aarch64-linux-android/debug/deps/ -type f -executable -name '*-*'); do
+            adb push "$test" /data/local/tmp/
+            adb shell chmod +x /data/local/tmp/$(basename "$test")
+            adb shell /data/local/tmp/$(basename "$test")
+          done