Merge "Updating CPP ActivityManager interface to be one way" into udc-dev am: e1f24a0902 am: 330f27301f am: d09a6a262c

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/native/+/23066125

Change-Id: I326ee4dcbcb778326dfeee8753970b641642196d
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>