Merge "Find pending AppearedActivity first" into main am: 8257810487

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/3281715

Change-Id: I723f077fc8a368b4ca7ecf90346eed8da85d7abc
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>