Add new user-to-kernel interface for Bluetooth low power mode control (1/2)

The bluesleep kernel module was used in Tegra3 platform to perform Bluetooth
low power wakelock and interrup control. Add new user-to-kernel interface
through proc fs nodes for Bluedroid to feed bluesleep with the HCI_DEV events
which bluesleep was monitoring on.

bug 7347413

Change-Id: I791be1042d5573e5207aa81e3d59fa418134f9fe

Conflicts:
	libbt/include/vnd_manta.txt
17 files changed
tree: 50d24b67ee771ac64ca2bb3779586b802e96b34f
  1. conf/
  2. include/
  3. src/
  4. Android.mk
  5. vnd_buildcfg.mk