ci: script for downloading and unpacking prebuilt aarch64 libs for Android (#864)

* Script for downloading and unpacking prebuilt aarch64 libs for Android

* set -e

* Script for downloading libs supports macOs

scripts/android/download_libs_aarch64.sh

@@ -0,0 +1,33 @@
+#!/bin/bash
+
+set -e
+
+function readlink() {
+  echo $(cd $(dirname $1); pwd -P)
+}
+
+if [ -z ${1} ]; then
+    echo "Job repo is unset. Provide it via first argument like: $(readlink $0)/download_libs_aarch64.sh https://something.com/job/something"
+    exit 1
+fi
+
+job_repo=$1
+arch="aarch64"
+#arch="x86_64"
+output_arch="arm64-v8a"
+#output_arch="x86_64"
+
+root_dir="$(dirname $(dirname $(readlink $0)))"
+output_dir="$root_dir/apps/android/app/src/main/cpp/libs/$output_arch/"
+
+mkdir -p "$output_dir" 2> /dev/null
+
+curl --location -o libsupport.zip $job_repo/simplex-chat-nix-android/$arch-android:lib:support.x86_64-linux/latest/download/1 && \
+unzip -o libsupport.zip && \
+mv libsupport.so "$output_dir" && \
+rm libsupport.zip
+
+curl --location -o libsimplex.zip $job_repo/simplex-chat-nix-android/$arch-android:lib:simplex-chat.x86_64-linux/latest/download/1 && \
+unzip -o libsimplex.zip && \
+mv libsimplex.so "$output_dir" && \
+rm libsimplex.zip