[ CI ] modify android build test in action

[jijoongmoon]

This pr fixs the duplicated build in android build action.

Self evaluation:

1. Build test: [X]Passed [ ]Failed [ ]Skipped
2. Run test: [X]Passed [ ]Failed [ ]Skipped

[taos-ci]

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[DonghakPark]

Nice Catch!

For more information
in tool/package_android.sh

#!/usr/bin/env bash
set -e
TARGET=$1
[ -z $1 ] && TARGET=$(pwd)
echo $TARGET

if [ ! -d $TARGET ]; then
  echo $TARGET is not a directory. please put project root of nntrainer
  exit 1
fi

pushd $TARGET
if [ ! -d builddir ]; then
  meson builddir -Dplatform=android -Dopenblas-num-threads=1 -Denable-tflite-interpreter=false -Denable-tflite-backbone=false -Denable-fp16=true -Denable-neon=true -Domp-num-threads=1 -Denable-opencl=false -Denable-avx=false -Denable-profile=true
else
  echo "warning: $TARGET/builddir has already been taken, this script tries to reconfigure and try building"
  pushd builddir
    meson configure -Dplatform=android -Dopenblas-num-threads=1 -Denable-tflite-interpreter=false -Denable-tflite-backbone=false -Denable-fp16=true -Denable-neon=true -Domp-num-threads=1 -Denable-opencl=false -Denable-avx=false -Denable-profile=true
    meson --wipe
  popd
fi
pushd builddir
ninja install
tar -czvf $TARGET/nntrainer_for_android.tar.gz --directory=android_build_result .
popd
popd

[taos-ci]

@jijoongmoon, 💯 All CI checkers are successfully verified. Thanks.

[taos-ci]

@jijoongmoon, 💯 All CI checkers are successfully verified. Thanks.

[skykongkong8]

LGTM!