Merge "Reset splash icon when task icon is null to avoid caching incorrect...

Merge "Reset splash icon when task icon is null to avoid caching incorrect drawable." into tm-qpr-dev am: 0f76a4d8

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/20980939



Change-Id: I332ee64b21c99362eb42eadfd407c5564d81e93b
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>