header-checker: Move clang-tools build script

This commit moves clang-tools build script from `prebuilts/clang-tools`
to `development` so that it will be easier to read the git history of
the file.

Test: OUT_DIR=$(pwd) ./prebuilts/clang-tools/build-prebuilts.sh
Change-Id: I6be5aded52ae141eb139f050b4bf08a48893cf6e
1 file changed