Removes system-baseline.txt file and fixes the remaining warnings. Got a
green light from kwangsudo@ to remove the TODOs.

Bug: b/122836389, b/123093245
Fixes: b/122836389, b/123093245
Test: Refactoring CL. Existing tests are expected to pass.
Change-Id: I0b32baa13d310becd3e9210526685aecc10091b7
5 files changed