am dac5e001: am b8bb78f5: Change camera interface to support multiple cameras.

Merge commit 'dac5e0013d1ea396f0b3a3f07654f2ecbfb79ac9'

* commit 'dac5e0013d1ea396f0b3a3f07654f2ecbfb79ac9':
  Change camera interface to support multiple cameras.