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 am: a9950933

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



Change-Id: I2ac11a2a50d249c8bc8d983d7bc268d4f8961624
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>