Merge "Fix a11y announcements in DND duration dialogs" into tm-qpr-dev am: 59ec8d18ee

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/21521305

Change-Id: Iba31bb04d0adb4b0306c5899c7e6c37b80af3457
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>