butterfly: Disable hp_detect and auto mic

Use hint hp_detect to disable the auto mute behavior,
so Chrome will do the job to select audio device.

BUG=chromium:319041
TEST=Play youtube, manual select audio device on UI.
CQ-DEPEND=CL:176824

Change-Id: I77f62283fdcd68164d8084fa30e4443f9cc6b7c4
Reviewed-on: https://chromium-review.googlesource.com/176784
Reviewed-by: Dylan Reid <dgreid@chromium.org>
Commit-Queue: Dylan Reid <dgreid@chromium.org>
Tested-by: Dylan Reid <dgreid@chromium.org>
(cherry picked from commit 7a941b50f60b666c661cb8dc442d07c94fc560c5)
Reviewed-on: https://chromium-review.googlesource.com/178436
Reviewed-by: Hsinyu Chao <hychao@chromium.org>
3 files changed