Merge "Adding support for listening to end callbacks when launching an intent...

Merge "Adding support for listening to end callbacks when launching an intent from Launcher" into udc-dev am: 15bc0d38

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/23214378



Change-Id: Ic29f696efddfc174ffae52722cafea8317e3569e
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>