Merge "[4/n] Implement restart confirmation dialog" into tm-qpr-dev am: 4f0806e6

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/20764909



Change-Id: I78f7df584daa27ff58209dbe5bbdd1398fc2d4cd
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>