camera: Remove histogram commands

Change-Id: Ice4012922936ee1d0f9005797f72f9f2b38b951c
camera: Add new commands to compatibility block

Change-Id: I2952963661abf17f55eca811a8d4e8fc87933df0
Merge branch 'jb-mr1' of https://github.com/AOKP/android_system_core into jb-mr1