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

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



Change-Id: Ib434ecc52eb81643a6513071cd66e189f427de4e
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>