Restructure prebuilt exectuables and shared libraries.

So they can be run right in place in the source tree.
Also deleted unused windows files.

Bug: 20485471
Bug: 20239510
Change-Id: Iaf3e74271c7f8995245d9841d93d7abf983c4eba
(cherry picked from commit c6158b51ec45e5f7ace5a039ee6982f363bedc65)
45 files changed