use prebuilt vcpkg to overwrite

.github/workflows/playground.yml

@@ -128,7 +128,6 @@ jobs:
           vcpkgGitCommitId: ${{ env.VCPKG_COMMIT_ID }}
 
       - name: Install vcpkg dependencies
-        if: False
         run: |
           case ${{ matrix.job.target }} in
             aarch64-linux-android)
@@ -145,12 +144,12 @@ jobs:
         run: |
           pushd /opt
           git clone https://github.com/rustdesk-org/rustdesk_thirdparty_lib.git --depth=1
+          cp -rf /opt/rustdesk_thirdparty_lib/vcpkg/* /opt/artifacts/vcpkg/
 
       - name: Build rustdesk lib
         env:
           ANDROID_NDK_HOME: ${{ steps.setup-ndk.outputs.ndk-path }}
           ANDROID_NDK_ROOT: ${{ steps.setup-ndk.outputs.ndk-path }}
-          VCPKG_ROOT: /opt/rustdesk_thirdparty_lib/vcpkg
         run: |
           rustup target add ${{ matrix.job.target }}
           cargo install cargo-ndk --version ${{ env.CARGO_NDK_VERSION }}