Install required android platform in CI (#1120)

Author: fornwall

.github/workflows/ci.yaml

@@ -107,6 +107,10 @@ jobs:
           $ANDROID_SDK_ROOT/cmdline-tools/latest/bin/sdkmanager --uninstall "platforms;android-31"
           echo "::endgroup::"
 
+          echo "::group::Install android-30"
+          $ANDROID_SDK_ROOT/cmdline-tools/latest/bin/sdkmanager --install "platforms;android-30"
+          echo "::endgroup::"
+
           echo "::group::Install cargo-apk"
           cargo install cargo-apk
           echo "::endgroup::"