Add Android dependency binaries for x86_64 and arm64-v8a architectures

* Remove unused libFLAC++.a for all Android architectures
* Enhance GitHub Actions builds

Co-authored-by: Waldegger <Stefan.Waldegger@users.noreply.github.com>

.github/workflows/ci.yml

@@ -32,6 +32,10 @@ jobs:
           config: { name: x86, flags: -DCMAKE_ANDROID_ARCH_ABI=x86 -DCMAKE_SYSTEM_NAME=Android -DSFML_BUILD_TEST_SUITE=FALSE -DCMAKE_ANDROID_NDK=$GITHUB_WORKSPACE/android-ndk-r18b -DCMAKE_ANDROID_NDK_TOOLCHAIN_VERSION=clang -DCMAKE_ANDROID_STL_TYPE=c++_shared -DCMAKE_ANDROID_API=26 }
         - platform: { name: Android, os: ubuntu-latest }
           config: { name: armeabi-v7a, flags: -DCMAKE_ANDROID_ARCH_ABI=armeabi-v7a -DCMAKE_SYSTEM_NAME=Android -DSFML_BUILD_TEST_SUITE=FALSE -DCMAKE_ANDROID_NDK=$GITHUB_WORKSPACE/android-ndk-r18b -DCMAKE_ANDROID_NDK_TOOLCHAIN_VERSION=clang -DCMAKE_ANDROID_STL_TYPE=c++_shared -DCMAKE_ANDROID_API=26 }
+        - platform: { name: Android, os: ubuntu-latest  }
+          config: { name: arm64-v8a, flags: -DCMAKE_ANDROID_ARCH_ABI=arm64-v8a -DCMAKE_SYSTEM_NAME=Android -DSFML_BUILD_TEST_SUITE=FALSE -DCMAKE_TOOLCHAIN_FILE=$GITHUB_WORKSPACE/android-ndk-r18b/build/cmake/android.toolchain.cmake -DCMAKE_ANDROID_NDK=$GITHUB_WORKSPACE/android-ndk-r18b -DCMAKE_ANDROID_NDK_TOOLCHAIN_VERSION=clang -DCMAKE_ANDROID_STL_TYPE=c++_shared -DCMAKE_ANDROID_API=26 }
+        - platform: { name: Android, os: ubuntu-latest  }
+          config: { name: x86_64, flags: -DCMAKE_ANDROID_ARCH_ABI=x86_64 -DCMAKE_SYSTEM_NAME=Android -DSFML_BUILD_TEST_SUITE=FALSE -DCMAKE_TOOLCHAIN_FILE=$GITHUB_WORKSPACE/android-ndk-r18b/build/cmake/android.toolchain.cmake -DCMAKE_ANDROID_NDK=$GITHUB_WORKSPACE/android-ndk-r18b -DCMAKE_ANDROID_NDK_TOOLCHAIN_VERSION=clang -DCMAKE_ANDROID_STL_TYPE=c++_shared -DCMAKE_ANDROID_API=26 }
         - platform: { name: Linux GCC, os: ubuntu-latest  }
           config: { name: Static DRM, flags: -DBUILD_SHARED_LIBS=FALSE -DSFML_USE_DRM=TRUE }
         - platform: { name: Linux GCC, os: ubuntu-latest  }