message: Fix gradle invocation in build.sh for Vulkan.
diff: @@ -409,6 +409,7 @@ function build_android {
  if [[ "$ISSUE_RELEASE_BUILD" == "true" ]]; then
  ./gradlew \
  -Pfilament_dist_dir=../out/android-release/filament \
  + -Pextra_cmake_args=${VULKAN_ANDROID_OPTION} \
  :filament-android:assembleRelease \
  :gltfio-android:assembleRelease \
  :filament-utils-android:assembleRelease
  @@ -709,8 +710,8 @@ while getopts ":hacfijmp:tuvslw" opt; do
  VULKAN_ANDROID_OPTION="-DFILAMENT_SUPPORTS_VULKAN=ON"
  echo "Enabling support for Vulkan in the core Filament library."
  echo ""
  - echo "To switch your application to Vulkan, in Android Studio go to "
  - echo "File > Settings > Build > Compiler. In the command-line options field, "
  + echo "To switch your application to Vulkan, in Android Studio go to Preferences > "
  + echo "Build, Executation Deployment > Compiler. In the command-line options field, "
  echo "add -Pextra_cmake_args=-DFILAMENT_SUPPORTS_VULKAN=ON."
  echo "Also be sure to pass Engine.Backend.VULKAN to Engine.create."
  echo ""
  