[automerger skipped] [conflict] Merge "Prioritize system toasts" into tm-dev am: fe7069660e am: 3971cb694f am: df27c91fce -s ours am: cce248b17e -s ours

am skip reason: skipped by valiiftime

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/26255492

Change-Id: I72eeeb1d56d84bab5a19d3ff6b32b2f5bd644ce1
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>