Merge "Fix assistant attention icon." into udc-dev am: a0e1a77f am: 7c6c9377

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/22872098



Change-Id: I9da387e6d400b9616f34d3ffe2f95956a54bb062
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>