Update Pixel Wheels to 0.14.1 (14)

Use our own build of Aseprite. The packaged version is too old: it
generates bad assets because it does not understand hidden layers.
See https://github.com/agateau/pixelwheels/issues/33.

metadata/com.agateau.tinywheels.android.yml

@@ -60,7 +60,41 @@ Builds:
       - xvfb-run -a make -C .. mapscreenshotgenerator
       - make -C .. packer
 
+  - versionName: 0.14.1
+    versionCode: 14
+    commit: 0.14.1
+    subdir: android
+    sudo:
+      - apt-get update || apt-get update
+      - apt-get install -y g++ python3-pil imagemagick-6.q16 ninja-build libx11-dev
+        libxcursor-dev
+    gradle:
+      - yes
+    srclibs:
+      - aseprite@v1.2.16.3
+      - pafx@269b0241a4b5507a1f45d0aa576fb9f9dad91ad8
+    rm:
+      - tools/packr.jar
+    prebuild: sed -i -e 's#./gradlew#gradle#' ../Makefile
+    scandelete:
+      - android/libs/
+    build:
+      - install_dir=$PWD/aseprite
+      - pushd $$aseprite$$
+      - mkdir -p build
+      - cd build
+      - cmake "-DCMAKE_INSTALL_PREFIX=$install_dir" -DENABLE_UI=OFF -DCMAKE_BUILD_TYPE=MinSizeRel
+        -G Ninja ..
+      - ninja aseprite
+      - ninja install
+      - popd
+      - export PATH=$PATH:$PWD/aseprite/bin
+      - gradle tools:dist -b ../build.gradle
+      - export PYTHONPATH=../$$pafx$$/build/lib/
+      - make -C .. assets
+      - make -C .. packer
+
 AutoUpdateMode: Version %v
 UpdateCheckMode: Tags
-CurrentVersion: 0.13.0
-CurrentVersionCode: 12
+CurrentVersion: 0.14.1
+CurrentVersionCode: 14

srclibs/aseprite.txt

@@ -0,0 +1,4 @@
+Repo Type:git
+Repo:https://github.com/aseprite/aseprite
+
+Prepare:git submodule update --init --recursive