Merge "Fix flaky RequestPinItemTests" into tm-qpr-dev am: bd98aef4a4

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/21733879

Change-Id: I3926c1f9862f7856ed2cb578af59afb9ec5d3da0
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>