op dependency analysis bash driver
Summary:
Move the shell script into this separate PR to make the original PR
smaller and less scary.
Test Plan:
- With stacked PRs:
1. analyze test project and compare with expected results:
```
ANALYZE_TEST=1 CHECK_RESULT=1 tools/code_analyzer/build.sh
```
2. analyze LibTorch:
```
ANALYZE_TORCH=1 tools/code_analyzer/build.sh
```
Differential Revision: D18474749
Pulled By: ljk53
fbshipit-source-id: 55c5cae3636cf2b1c4928fd2dc615d01f287076a
