Merge "Camera: Enable request processor during 'onCaptureSessionStart'" into udc-qpr-dev am: 44c44a1107

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/24543207

Change-Id: I30ad0b7d6fd93453e50815fcc354ac6e294ac717
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>