n1: Remove disabled audio properties

* LPA/Tunnel are legacy items in lollipop, and are incompatible with
  NuPlayer as well.

Change-Id: Ifa6b5f4801e95493f226d54341f3ccc23f361c8f
n1: Remove unused keylayouts

Change-Id: I9493ab5245ccef53eb41c3c9fe29dcd795d847d9
n1: Remove deprecated WAKE_DROPPED flag

Change-Id: I9ede2a7d7985d59b9286aadc052ff9e05fe40bff
n1: Add DurationTimer implementation

Change-Id: I8edaff197d6bb5be5ceb77f687d9414c94913ac9
Merge branch 'cm-12.0' of github.com:CyanogenMod/android_device_oppo_n1 into HEAD