Add NDK and mingw to ci-builer Dockerfile

Author: danrmiller

Dockerfile

@@ -15,6 +15,7 @@ RUN apt-get update && apt-get install -y --no-install-recommends \
       libncurses5-dev libncursesw5-dev zlib1g-dev llvm debhelper \
       libclang-dev opencl-headers libssl-dev ocl-icd-opencl-dev \
       valac libtss2-dev libsecret-1-dev libjsoncpp-dev \
+      gcc-mingw-w64-x86-64 \
  && rm -rf /var/lib/apt/lists/*
 
 SHELL ["/bin/bash", "-o", "pipefail", "-c"]
@@ -34,6 +35,16 @@ RUN curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs \
  && cargo install cargo-ndk \
  && chmod -R a+rwX "$CARGO_HOME" "$RUSTUP_HOME"
 
+ENV ANDROID_NDK_ROOT=/opt/android-ndk-r28 \
+    ANDROID_NDK_HOME=/opt/android-ndk-r28
+
+RUN curl -fsSL https://dl.google.com/android/repository/android-ndk-r28-linux.zip \
+      -o /tmp/android-ndk.zip \
+ && echo "a186b67e8810cb949514925e4f7a2255548fb55f5e9b0824a6430d012c1b695b  /tmp/android-ndk.zip" | sha256sum -c \
+ && unzip -q /tmp/android-ndk.zip -d /opt \
+ && mv /opt/android-ndk-r28 "$ANDROID_NDK_ROOT" \
+ && rm /tmp/android-ndk.zip
+
 ENV FLUTTER_HOME=/opt/flutter \
     PATH=/opt/flutter/bin:/opt/flutter/bin/cache/dart-sdk/bin:$PATH