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
msm8960-common: camera: add missing ISO modes

Change-Id: I7217c376b8d240f001dc77405d06a74a9cf3da79