klte-common: remove S-Pen permissions since we don't support it

Change-Id: Ifedad7e0030b60ac369ddcd18cfc9d91d7428d12
Revert "klte-common: set voice wakeup to 1"

This reverts commit 5c2b77218cce65643369f8079b4ef6851941428d.
klte-common: disable av offload playback

Change-Id: Iadd878e59261b7c991a3645fadf091f82200e5dd
klte-common: Enable app moving support [2/2]

Change-Id: I7269e70348832c394a41677aeaba439f2ca54647
klte-common: add PowerHAL extension for gpio-keys.

* This should have been here all along. This is how its done in hlte. we
actually had this in at one point but it got removed by mistake during
bringup. Permissions also updated accordingly.

Change-Id: I774e48103e392bb10c4c565995f8ab7476b91abe
klte-common: add volume buttons to the allowed list of wakeup keys.

* The volume keys would over time no longer function for waking the device
even if it was enabled in settings.

Change-Id: I827a67b6aaf8f19c898ab0678eb7913542dfad25