move throttling to GateKeeper layer

throttling is done in SW now, move directly into gatekeeper
to harden against root brute force attacks.

Bug:21118563
Change-Id: Ie8b22a9e1e6702c9f2007dc7f31e19a1c0fa1696
9 files changed
tree: 7906bc0f61c49d67240cf1ac3db2a9c655ced280
  1. Android.mk
  2. gatekeeper.cpp
  3. gatekeeper_messages.cpp
  4. include/
  5. rules.mk
  6. tests/