Update release script with APK fresh clone instruction. Add android/fresh_clone to gitignore

.gitignore

@@ -31,7 +31,7 @@ contrib/build-wine/fresh_clone/
 contrib/build-linux/sdist/fresh_clone/
 contrib/build-linux/appimage/build/
 contrib/build-linux/appimage/.cache/
-contrib/android_debug.keystore
+contrib/android/fresh_clone
 contrib/android/android_debug.keystore
 contrib/secp256k1/
 contrib/zbar/

contrib/release.sh

@@ -111,8 +111,14 @@ target2=Electrum-$VERSION.0-arm64-v8a-release.apk
 if test -f dist/$target1; then
     echo "file exists: $target1"
 else
-    ./contrib/make_packages
     sudo docker build -t electrum-android-builder-img contrib/android
+    FRESH_CLONE=contrib/android/fresh_clone && \
+        sudo rm -rf $FRESH_CLONE && \
+        umask 0022 && \
+        mkdir -p $FRESH_CLONE && \
+        cd $FRESH_CLONE  && \
+        git clone https://github.com/spesmilo/electrum.git && \
+        cd electrum
 
     mkdir --parents $PWD/.buildozer/.gradle
     sudo docker run -it --rm \