Merge "Prioritize system toasts" into sc-dev am: 687bb9a460

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/25102282

Change-Id: I86f2698bc71f7205950271fb4577d6b5fa22c7d6
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>