Flatten NetlinkRequest.

1. drop NetlinkRequest interface, as NR is a data structure,
2. drop RequestBuffer, as it is compatible with AutoFreeBuffer.

I hope the size of the CL won't discourage: it's essentially:
- collapsing two headers into one,
- replacing lots of '->' with '.'

Change-Id: I54a3f53215a20df4c3dbb48b11f1d84e03661620
7 files changed
tree: 5c2875922fc6994dca009f7f16ca3047f1cfeedc
  1. common/
  2. external/
  3. guest/
  4. host/
  5. tools/
  6. Android.bp
  7. Android.mk
  8. BUILD
  9. WORKSPACE