Update build flags

Author: marcprux

.github/workflows/swift_package_test.yml

@@ -653,7 +653,7 @@ jobs:
           ${{ steps.script_path.outputs.root }}/.github/workflows/scripts/android/android-emulator-tests.sh --android-sdk-triple=${{ join(fromJson(inputs.android_sdk_triples), ' --android-sdk-triple=') }} --android-ndk-version="${{ matrix.ndk_version }}"
       - name: Install Swift SDK for Android and build
         env:
-          BUILD_FLAGS: ${{ (contains(matrix.swift_version, 'nightly') && inputs.swift_nightly_flags) || inputs.swift_flags }} ${{ inputs.enable_android_sdk_checks && "--build-tests" }}
+          BUILD_FLAGS: ${{ (contains(matrix.swift_version, 'nightly') && inputs.swift_nightly_flags) || inputs.swift_flags }} ${{ inputs.enable_android_sdk_checks && '--build-tests' }}
         run: |
           ${{ inputs.android_sdk_pre_build_command }}
           ${{ steps.script_path.outputs.root }}/.github/workflows/scripts/install-and-build-with-sdk.sh --android --flags="$BUILD_FLAGS" --build-command="${{ inputs.android_sdk_build_command }}" --android-sdk-triple=${{ join(fromJson(inputs.android_sdk_triples), ' --android-sdk-triple=') }} --android-ndk-version="${{ matrix.ndk_version }}" ${{ matrix.swift_version }}