Merge "Camera: Enable instant access to camera extension proxy service" into sc-qpr1-dev am: 01e41df3 am: 4a94a30d

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/15831705

Change-Id: I00de6afc3aca586278e99851ded7da253ac3f068