Merge "Add dialog present support for AutofillService." into tm-dev am: 037bcfce15 am: 258d865bf0

Original change: https://googleplex-android-review.googlesource.com/c/platform/development/+/18030509

Change-Id: I94af50decb5fcdbc0198d168254b931a77de6baf
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>