Revert "Try another method for volume wakeup"

This reverts commit 655fba2ca1dc7ed7679b19bb138248697d27f6c4.
Revert "fb: volume rocker control (wake up)"

This reverts commit c33c9f2745b8b2dfcdf86e203abd229260f4a0dc.

Conflicts:
	policy/src/com/android/internal/policy/impl/PhoneWindowManager.java
volume rocker wake

Conflicts:
	policy/src/com/android/internal/policy/impl/PhoneWindowManager.java
volume rocker wake: add volume keys to isWakeKey KeyEvents

follow https://github.com/CyanogenMod/android_frameworks_base/commit/fedeb99f03158750fdd1b14dc32078fb6418f03a
switch to linear