Ninja dependency analysis tool

The tool collects every input file for target except exempted_files.
And also, it counts input files per each project.

Bug: 238156000
Test: collect_ninja_inputs \
  -n prebuilts/build-tools/linux-x86/bin/ninja \
  -f out/combined-aosp_cf_x86_64_phone.ninja \
  -t vendorimage \
  -e exempted_files \
  -r .repo/project.list

Change-Id: I19b8b3462a1f1766babe4d437fe71bd7eb4bc7d2
4 files changed