Fix android CI (#701)

Author: khyperia

.github/workflows/ci.yaml

@@ -89,6 +89,10 @@ jobs:
         if: ${{ matrix.target == 'aarch64-linux-android' }}
         shell: bash
         run: |
+          echo "::group::Uninstall android-31"
+          $ANDROID_SDK_ROOT/cmdline-tools/latest/bin/sdkmanager --uninstall "platforms;android-31"
+          echo "::endgroup::"
+
           echo "::group::Install cargo-apk"
           cargo install cargo-apk
           echo "::endgroup::"