Merge "Stop active callbacks from being stopped on starting new projection...

Merge "Stop active callbacks from being stopped on starting new projection session" into udc-qpr-dev am: 742e559d am: e58f4558

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/24789227



Change-Id: I51388e78b3e53b05e911d0d01c3e2665fc923e76
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>