Revert "Convert build_flags.mk to build_flags.bzl"

This reverts commit 6954d69b5878239bcb8421c282b5a08acba0f4d2.

Doesn't work with OUT_DIR outside the tree

Test: OUT_DIR=/source/whatever m
Bug: 283278495
Change-Id: I7f2a4cee59174264c563f0a1e9ebb145952ac14d
2 files changed
tree: 2494562d530a965d9b11d027eb8e47e3cb8d4bfa
  1. build_flags.mk