Add presubmit hook for hidden API lists.

                      services/usb/

                      telephony/

hidden_api_txt_hook = ${REPO_ROOT}/frameworks/base/tools/hiddenapi/checksorted_sha.sh ${PREUPLOAD_COMMIT} ${REPO_ROOT}

#!/bin/bash

set -e

LOCAL_DIR="$( dirname ${BASH_SOURCE} )"

git show --name-only --pretty=format: $1 | grep "config/hiddenapi-.*txt" | while read file; do

    diff <(git show $1:$file) <(git show $1:$file | $LOCAL_DIR/sort_api.sh )  || {

      echo -e "\e[1m\e[31m$file $1 is not sorted or contains duplicates. To sort it correctly:\e[0m"

      echo -e "\e[33m${LOCAL_DIR}/sort_api.sh $2/frameworks/base/$file\e[0m"

      exit 1

    }

done

#!/bin/bash

set -e

if [ -z "$1" ]; then

  source_list=/dev/stdin

  dest_list=/dev/stdout

else

  source_list="$1"

  dest_list="$1"

fi

# Load the file

readarray A < "$source_list"

# Sort

IFS=$'\n'

A=( $(LC_COLLATE=C sort -f <<< "${A[*]}") )

A=( $(uniq <<< "${A[*]}") )

unset IFS

# Dump array back into the file

printf '%s\n' "${A[@]}" > "$dest_list"