m8: enable eject sdcard

Change-Id: I6540112dfd91d18515b51da768c62b5b34403335
wpa_supplicant: disable p2p

* seems to prevent losing wifi networks on boot

Change-Id: I391ed833e0d21e73a2f67c0aa7ed1429d8039efe
m8: increase ui responsiveness

* lower touchslop, improves scroll response
* speed up the notification shade

Change-Id: I0262a5b359d4298a44bf8211baca13e01fa59535
m8: Fixed IR device permissions

Change-Id: I4d62f5204821376bad5e48afe3619b6008ed75fa