hammerhead: Update build fingerprint and description to KTU84M

Change-Id: Ib7779d9d0f7ba9ba91f4560e1d3c3b673b543fb0
audio_effects: Add stereowide effect

Change-Id: I5238369a4b04d0061b51313a99edb05932fc927b
Enable gcc 4.8

Change-Id: I4fec10e41b2b676b9f70dba9e304e6833735c853
hammerhead: Enable lockscreen rotation

Change-Id: Ie5e2c2598a960140a831d02c000b37630e219665
hammerhead: Set permissions on force_fast_charge node

Change-Id: Ibccf91903595b3146387dd621f1902ab4fc2edf2