tree 71ca5b91e2e33e4d8684d8e4251436cb929d2de0
parent 1ef593d4d552009f53eae864da8b5740b18712b3
author Haoxiang Li <haoxiangl@google.com> 1567196699 -0700
committer Haoxiang Li <haoxiangl@google.com> 1568078044 -0700

Update method "getRearViewCameraIds".

Add a new util method "getRearViewCameraIds" to return all the available
rear cameras, and add comment for the old "getRearViewCameraId" method.

Test: build and run on Hawk device
Bug: 130246434
Change-Id: Ia8366b2fa2c9b661e75547a8639fc602456bf54b