Revert "Revert "find7: Use camera interface for torch""

* This breaks find7a Torch

This reverts commit 91ff0024fc79bda90865f8291abbfe24670b876b.

Change-Id: I788cb51bc0563b981a8f246031f2f0e23e68f79d
Merge branch 'cm-11.0' into kk_mkt