Add Android build

.github/workflows/Hydra_Build.yml

@@ -77,3 +77,28 @@ jobs:
 
     - name: Build
       run: cmake --build ${{github.workspace}}/build --config ${{env.BUILD_TYPE}}
+
+  Android-x64:
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v2
+    - name: Fetch submodules
+      run: git submodule update --init --recursive
+
+    - name: Install misc packages
+      run: |
+       sudo apt-get update && sudo apt install libx11-dev libgl1-mesa-glx mesa-common-dev libfuse2 libwayland-dev
+       
+    - name: Setup Vulkan SDK
+      run: |
+       wget -qO - http://packages.lunarg.com/lunarg-signing-key-pub.asc | sudo apt-key add -
+       sudo wget -qO /etc/apt/sources.list.d/lunarg-vulkan-focal.list http://packages.lunarg.com/vulkan/lunarg-vulkan-focal.list
+       sudo apt update
+       sudo apt install vulkan-sdk
+
+    - name: Configure CMake
+      run: cmake -B ${{github.workspace}}/build -DCMAKE_BUILD_TYPE=${{env.BUILD_TYPE}} -DCMAKE_TOOLCHAIN_FILE=${ANDROID_NDK_ROOT}/build/cmake/android.toolchain.cmake -DANDROID_ABI=x86_64 -DBUILD_HYDRA_CORE=1 -DENABLE_VULKAN=0
+
+    - name: Build
+      run: cmake --build ${{github.workspace}}/build --config ${{env.BUILD_TYPE}}