Seed aosp tf contrib project.

Add in example test/configs/preparer to set precedent as well as normal
project stuff (makefiles, readmes, etc) to get things building (and to
also make sure build files work).

BUG:36556899
Test: Built and started tf with seeded config and test.
Change-Id: Ia8eb408da272c424f626c8f77a91bb0eed6a656a
(cherry picked from commit 68af8b89b22020ae4463a2c77003bde4133650cb)
9 files changed
tree: 744b9ece5d5277e3cd37cea430299f9a0efaac78
  1. .gitignore
  2. Android.mk
  3. MANIFEST.mf
  4. README
  5. prod-tests/
  6. src/