Merge "Refresh thumbnail splash when task icon changes." into tm-qpr-dev am:...

Merge "Refresh thumbnail splash when task icon changes." into tm-qpr-dev am: f5f3a809 am: a4e184dc

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/21319101



Change-Id: I05b1ad46c2eec897ae47d5d8edbf4e8ab7a463f8
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>