Merge "Retains cached widget in launcher process" into tm-qpr-dev am: a35d04af am: bb38c78f

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/22146535



Change-Id: I825f19436115fbfa3279ba2182305cd9825b27dd
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>