camera wrapper: tweak stuff for apex/express

Change-Id: If9d805375c1bdb18ab6d115efaef93084de0fae1
 msm8960-common: rm device settings translations

Change-Id: I2b8a15f2f8182ce2f98f7cdd5a3c12a76df35dfe
Revert "msm8960-common: fix up tethering"

This reverts commit fbe8724128545db23cf125fbe6743c764532b572.

Change-Id: I552862372f4b9a12d05d92f6154834be62d7e88f
msm8960: Make Samsung camera mode optional

* It breaks 3rd party camera apps on serrano

Change-Id: If98deb406d294774199e538e8ec7ae050d24da73