bluetooth: Remove bluesleep_bcm

Squash of the following commits:

Revert "bluetooth: Fix race conditions in BT LPM"

This reverts commit 096a4f8d351d1ed5e0cfea9dd896b89f78d2f438.

Conflicts:
	drivers/tty/serial/msm_serial_hs.c

Change-Id: Ie9f39e7976b085a80e838bba2bc820f312ee8a71

Revert "bluetooth: Add low-power mode to support Bluedroid"

This reverts commit 595c90c30e5cfa8f91b795fe57a6a796f00beb71.

Conflicts:
	drivers/tty/serial/msm_serial_hs.c

Change-Id: Ia4941f5b650dcd66a32a870e6c726b68dd46329c

Revert "Add bluedroid compatible bluesleep and utilize it."

This reverts commit df67b974ec101f4ee6b241a82313c8e85b44b237.

Change-Id: I7e1dd61062deb071c3a9d00872d63310234060b4
Merge "bluetooth: Remove bluesleep_bcm" into jb4.2