apexqtmo/expressatt: fixup preview

apexqtmo and expressatt set incorrect preview sizes for video. Fix this
by setting proper preview sizes and add supported touch to focus modes.

Disable face detection on both cameras since we don't have it.

Change-Id: Id861b1c8d3ea07a82b60c405b05532f7207096f2
Revert "msm8960-common: temporarily disable compressed audio"

This reverts commit 91161e1fbe88b41c41a4572da86e1285ba861b3f.

Change-Id: I83c040c15b337cce4716c0c31a4099b1827e1b3b
msm8960-common: camera: add missing ISO modes

Change-Id: I7217c376b8d240f001dc77405d06a74a9cf3da79